Abstract: A rock drilling machine, rock drilling rig and method of reinforcing rock surfaces by means of grouting material is provided. The grouting material is fed through the rock drilling machine to a drilling tool connected to the rock drilling machine. The rock drilling machine include a flushing feed path, which is utilized in the feeding of the grouting material.

Abstract: An actuator for use in a directional steering assembly includes an ultrahard insert positioned on a working face. The ultrahard insert is positioned along at least a portion of the perimeter of the working face. The ultrahard insert has a coefficient of friction less than a material of the remainder of the working face.

Abstract: Systems and methods for penetrating a subterranean formation with a downhole laser assembly include a laser generation unit located within a subterranean well. The downhole laser assembly further includes a vortex tube. The vortex tube has a compressed air supply port, a hot air outlet oriented to direct a hot air stream in a direction away from the laser generation unit, and a cold air outlet oriented to direct a cold air stream over the laser generation unit.

Abstract: A matrix body PDC drill bit includes a drill crown and a bit body, and further includes a combined limiting sleeve. A connecting block and a connecting sleeve are provided at a junction of the drill crown and the bit body; multiple engaging teeth and engaging grooves for defining circumferential rotation and mutual engagement are provided between the connecting sleeve and the connecting block; the combined limiting sleeve includes several sub-limiting sleeves which are combined and spliced along an outer peripheral surface of the connecting sleeve and are configured to fixedly connected into a whole; an inner side of each sub-limiting sleeve is provided with upper limiting bumps and lower limiting bumps; the connecting block is inserted into the connecting sleeve to allow the upper limiting bumps and the lower limiting bumps to abut against fixed end surfaces of the connecting block and the connecting sleeve, respectively.

Abstract: An assembly for producing a threaded connection includes first and second tubular components with an axis of revolution and each provided at one end with at least first, second, and third continuous threaded zones provided in succession on the same helix on the outer or inner peripheral surface of the component depending on whether the threaded end is male or female. The components are capable of cooperating together upon makeup. At least one of the first, second, or third threaded zones has a variable width thread profile and is self-locking. The ends respectively finish in a free terminal surface. Each of the ends is free of a specific abutment surface. At least one sealing surface is provided between each of the adjacent threaded zones in order to cooperate in a sealed interference fit with a sealing surface provided on the corresponding end when the connection is made up.

Abstract: An offshore methane hydrate production assembly (1), having a tubing (41) extending into a subsea well (5) that extends down to a methane hydrate formation (7) below the seabed (3). A submersible pump (45) is arranged in the tubing (41). A methane conduit (35,35) extends down from a surface installation (49). A well control package (15) landed on a wellhead (13) is positioned at the upper end of the subsea well (5). Moreover, an emergency disconnection package (25) is arranged between the methane conduit (35,135) and the well control package (15). The tubing (41) is suspended from the well control package (15). Other aspects of the invention are also disclosed.

Abstract: A lifting apparatus for lifting drill string components from a wellbore, the lifting apparatus comprising: upper and lower support elements, each of the support elements having a central aperture passing therethrough; a lifting arrangement which is operable to vary the distance between the upper and lower support elements between a first, relatively short distance and a second, relatively long distance; and selective gripping arrangements held or supported by the upper and lower support elements, respectively, each selective gripping arrangement being operable to apply a gripping force to the exterior of a substantially tubular element passing through the central apertures of the upper and lower support elements, wherein the selective gripping arrangements may be activated or deactivated independently of one another.

Abstract: A transportation apparatus is described herein that comprises a lifting apparatus having a support structure, a base portion and a scissor-lift device disposed between the support structure and the base portion. The scissor-lift device having a first arm having a first end and a second end pivotally connected to a second arm having a first end and a second end. The first end of the first arm is hingedly connected to the base portion and the second end of the first arm is slidably engaged with the support structure. Similarly, the first end of the second arm is slidably engaged with the base portion and the second end of the second arm is hingedly connected to the support structure. A method of raising centrifuge equipment to a desired height via the lifting apparatus is also described herein.

Abstract: The modular managed pressured drilling system provides multiple skids with individual chokes and PRVs on the skids. These skids secure to one another to construct a modular MPD system that provides the proper equipment for the drilling operation. An inlet flow block and an outlet flow block are secured to each skid. The flow blocks provide multiple apertures to provide different pathways for the drilling fluid through the flow blocks. The flow blocks may direct the fluid through a first choke, a second choke, a pressure relief valve, or a bypass.

Abstract: A shifting tool includes a body having a longitudinal axis and a structure engaging member supported by the body. The structure engaging member is configured to engage and shift a structure within a tubular. A puncture device is supported by the body. The puncture device is configured to engage a barrier within a flowbore of the tubular in a direction of the longitudinal axis.

Abstract: An adaptable anchor includes a frame; an arm articulated to the frame; a pad connected to the arm at a distance from the articulation with the frame; a wedge movably mounted to the frame and in wedging contact with the arm; a biasing member disposed to selectively apply a biasing energy between the frame and the wedge; and a degradable retainer preventing application of the biasing energy until degraded. An embodiment of a borehole system includes a borehole in a subsurface formation; a tubular member disposed in the borehole; and an adaptable anchor as in any prior embodiment in operable contact with the tubular member. An embodiment of a method for anchoring a tool in a borehole includes running the adaptable anchor into a borehole; degrading the degradable retainer; urging the wedge into contact with the arm with the biasing member; and displacing the pad.

Abstract: A technique employs the use of oscillations downhole to facilitate a desired functionality of a downhole tool. According to this technique, a tool is initially conveyed downhole and operated to perform a function that relates to a downhole application. The operational efficiency of the tool is improved by creating oscillating forces which vibrate the tool to achieve a desired result, e.g. freeing the tool from a stuck position.

Abstract: Systems and methods for moving a tubular string within a subterranean well include a downhole assembly. The downhole assembly includes a torque disconnecting member and a shock generating member. During normal drilling activities, both components are inactive. When a stuck pipe event occurs, first the torque disconnecting member is activated while the shock generating member is still inactive. Once the torque disconnecting member is activated, then the shock generating member is activated. A laterally-protruding shock pad of the activated shock generating member produces shocks against the proximate side of a wellbore wall while the shock generating member is rotating. Systems and methods for moving a tubular string within a subterranean well include a fishing assembly. The fishing assembly includes a fishing member, a swivel member, and an imbalanced member.

Abstract: An actuation assembly to actuate a component of a mineral extraction system, where the actuation assembly includes an actuator configured to generate a force in a direction, a lever assembly coupled to the actuator, where the lever assembly is configured to rotate about a fulcrum in response to application of the force, and a piston coupled to the lever assembly, where the piston is configured to move in the direction in response to rotation of the lever assembly about the fulcrum.

Abstract: A wellhead includes a wellhead body and a locking end coupled to the wellhead body. The locking end includes an exterior surface with an exterior locking profile. The exterior locking profile includes an exterior groove formed between exterior stab and load flanks on the exterior surface. The locking end also includes an interior surface having an interior locking profile. The interior locking profile includes an interior groove formed between interior stab and load flanks on the interior surface. At least one of the exterior groove or the interior groove is a relief groove that undercuts at least one of the respective stab or load flank. The relief groove corresponds to a portion of the contour of an ellipse intersecting at least a portion of the respective stab or load flank, and an axis of the ellipse is at a tilted angle with respect to an axis of the wellhead.

Abstract: A method and apparatus according to which a hydraulic fracturing fluid is communicated to a wellhead, the apparatus including a fracturing tree connected to the wellhead and into which the hydraulic fracturing fluid is adapted to flow, a fluid conduit connected to the fracturing tree and through which the hydraulic fracturing fluid is adapted to flow before flowing into the fracturing tree, the fluid conduit defining a straight fluid flow path, and a zipper module connected to the fluid conduit and out of which the hydraulic fracturing fluid is adapted to flow before flowing through the fluid conduit. The hydraulic fracturing fluid flows along the straight fluid flow path of the fluid conduit upon flowing out of the zipper module, and continues to so flow along the straight fluid flow path until the hydraulic fracturing fluid flows into the fracturing tree.

Abstract: Seal housings with flange collars, floating bushings, seal compressors, floating polished rods, independent fluid injection to stacked dynamic seals, and related apparatuses and methods of use. Embodiments are described that permit the polished rod to float within a tubular shaft, and the tubular shaft to float within a stationary housing, of a seal housing, to permit the seal housing to accommodate rod deviation from center. Flange collars are provided to facilitate the interconnection between seal housings and driveheads that previously were incompatible with one another.

Abstract: An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured valving member with curved and flat portions that alternatively direct fluid flow through a bore or opening in the valving member via an inner channel or around the periphery of the valving member in an outer channel. In one embodiment, the ball(s), dart(s) or plug(s) are contained in a sliding sleeve that shifts position responsive to valve rotation. An optional indicator indicates to a user or operator that a ball or plug has passed a selected one of the valving members.

Abstract: There are described downhole devices, methods and other apparatus, which may be used to generate energy, monitor fluids and/or provide control signals or otherwise trigger for actuation. The devices, methods, etc. may provide improved autonomy and/or accuracy, while at the same time minimise any effect on the operation of a well. Such devices and methods may be particularly useful downhole and in remote locations. An example of a device comprises a generating material having a fluid contact surface, that contact surface being configured to be in contact with a fluid downhole. The generating material may be configured to generate an electric charge at the material in response a fluid at the contact surface. In some examples, the device further comprises a signal source configured to provide a signal in response to a generated electric charge at the generating material.

Abstract: A flow-through assembly for use in a downhole drilling string includes a Moineau-type motor, means for selectively activating the motor such as a ball catch component that selectively causes drilling fluid to enter into or bypass the motor, and a rotating variable choke assembly that is driven by a rotor of the motor. The choke assembly varies the flow rate of drilling fluid as rotation causes ports of the choke assembly to enter into and out of alignment with each other. In one embodiment, the choke assembly comprises a faceted rotary component including bypass ports on the facets of the component. In another embodiment, the choke assembly comprises a tapered rotary component that rotates in a complementarily tapered stationary component.

Abstract: A valve assembly (1) for use particularly in a deviated wellbore of an oil, gas or water well comprises a body (50) with an axis and first and second resiliently deformable seats (20, 25) to seat a valve closure member (10a) such as a ball, the seats being deformable to allow passage of the ball at different first and second fluid pressures acting on the seated valve closure member. The first and second seats are axially spaced from one another on a control sleeve (60) on opposite sides of an inner end of a selectively operable fluid outlet conduit connecting the bore with an external surface of the valve assembly, and operation of the valve assembly at pressures between the first and second pressures opens and closes the outlet while maintaining the ball between the first and second seats.

Abstract: System and methods for cleaning debris or particulates from a wellbore using foam is provided, including predicting if a foam cleanout of a well is feasible by calculating foam properties at each of a number of segments in a well during a foam cleanout, comparing the foam properties to screening limits, providing an output to indicate if a foam cleanout is feasible. If feasible, the foam cleanout is performed.

Abstract: The selection of a candidate formation realization(s) from a plurality of formation realizations may be done with a classification and regression tree (CART) analysis taking into account petrophysical and geological properties. For example, a method may include applying a CART analysis to a plurality of formation realizations using a first formation property as a predictor in the CART analysis, wherein the plurality of formation realizations are for a second formation property and are based on at least one measured formation property, thereby yielding an association between the first and second properties for each of the plurality of formation realizations; analyzing a strength of the association for each of the plurality of formation realizations; and selecting a candidate formation realization from the plurality of formation realizations based on the strength of the association. The identified candidate formation realization(s) may then be used to develop the parameters of subsequent wellbore operations.

Abstract: A method to extract methane from a coal bed seam with carbon dioxide produced and recovered from a fuel cell anode exhaust stream while simultaneously sequestering the carbon dioxide on the coal. The process produces methane to supply a fuel cell to generate electricity while reducing or eliminating GHG emissions.

Abstract: A power transmission system and method for transmitting power over a three-phase power system on a multi-conductor power cable between a surface and a sub-surface location are provided. A surface system includes a power supply providing a direct current (DC) power signal to the power cable. A sub-surface system includes a downhole system coupled to a Y-point of a downhole motor. The downhole system is configured to be powered by (i) the DC power signal provided by the surface system, (ii) alternating current (AC) power drawn from the Y-point, and (iii) a combination of the DC power and the AC power. The downhole system is powered by the DC power when the power cable does not have an insulation fault, and the downhole system is powered by the AC power or the combination of the DC power and the AC power when the power cable has an insulation fault.

Abstract: A method and system of treating a formation and a well extending therethrough, including storing liquefied natural gas (LNG) at an on-site location of the well, injecting a first stream of LNG into the formation through the well to contact at least one of a surface of the formation or a metal surface locatable in the well, injecting a chemical agent into the formation through the well to contact at least one of the surface of the formation or the metal surface locatable in the well, and treating at least one of the surface of the formation or the metal surface locatable in the well with the chemical agent and the first stream of LNG.

Abstract: A method includes generating kth, (k+1)th, . . . , (kfinal)th control inputs for actuating flow control devices of a production well and/or an injection well of a well system during corresponding sampling steps k, (k+1), . . . , kfinal, actuating the flow control devices during the kth step using the kth control input, measuring a position of a fluid front and a dynamic state of the well system during the kth step; predicting a dynamic state of the well system at each step (k+1), . . . , kfinal using a state predictor, updating the (k+1)th, . . . , (kfinal)th control inputs based on the predicted dynamic states, optimizing the (k+1)th, . . . , (kfinal)th control inputs using a desired cost function, actuating the flow control devices during the (k+1)th step using the optimized value for the (k+1)th step, and measuring the position of the fluid front and a dynamic state of the well system during the (k+1)th step.

Abstract: A downhole heating apparatus includes a gas separator, a downhole heater, a thermal barrier and lower and upper perforated tubing joints being vents. The thermal barrier retards fluid and heat from flowing between a lower annulus of a wellbore and an upper annulus of a wellbore. The thermal barrier is formed from one or more thermal barrier subcomponents. The downhole heater is an electrical heater. The thermal barrier and lower and upper perforated tubing joints includes one or more vents.

Abstract: A method of optimizing drilling ramp-up is provided herein. More specifically, a method of ramping up a drilling operation from a static condition (0, 0) to optimum drilling parameter values (WOB*, RPM*) is provided. The method includes identifying a set of drilling control variables used in forming the wellbore. Examples include weight-on-bit (WOB) and rate of penetration (RPM). The method additionally includes selecting desired control variable values for a first identified drilling stage. The values may be generically referred to as (V1, V2). The method also includes increasing the drilling control variables from (0, 0) to pre-defined drilling control variable values (V1, V2). Preferably, V1 is a WOB value while V2 is a rotation speed value (RPM). The method also comprises monitoring a performance index (PI), wherein (PI) is a combination of torque (TQ) and penetration rate (RPM).

Abstract: A monitoring system includes a processor configured to receive sensor data from one or more sensors positioned about a mineral extraction system, input the sensor data into a model to generate a health index predictive of a future condition of a component of a blowout preventer (BOP) stack assembly of the mineral extraction system, and to provide an output indicative of the future condition of the component of the BOP stack assembly.

Abstract: Tubular elasticity is applied to determine tubular wear volume. In general, a torque and drag model is applied to calculate the dynamic stretch of the inner tubular string (e.g., drill string). The dynamic stretch is then integrated into a casing wear model to improve the accuracy of the calculated wear and its corresponding position along the outer tubular string (e.g., casing string).

Abstract: Temperature sensing devices and methods for determining downhole fluid temperature at a drill string in a borehole while drilling are disclosed. The device includes a temperature sensor capable of detecting and measuring rapid temperature changes and may be used to sense the temperature of fluid inside or outside the drill string. In addition, the device includes a thermal conductor that receives and secures the temperature sensor; the thermal conductor is in turn received and secured in a thermal insulator that provides a thermal barrier. In an embodiment, the device is disposed in a channel within an outer diameter of the drill string such that the device is protected from the side wall of the borehole and drilling fluid and cuttings can pass through the channel without becoming packed around the temperature sensor.

Abstract: An untethered sensing object able to sense and record well fluid and wellbore parameters. The untethered sensing object is adapted to transmit recorded data towards a communication module of a toolstring, whereas the toolstring is conveyed from surface and reaches a proximity distance with the untethered sensing object inside the well fluid of a wellbore. The untethered sensing object includes at least one sensor, an acquisition module, a recording module and a transmitting module.

Abstract: A telemetry and communication system and method for communication between a well production system and a well assist system. The system may comprise a well production system, which may comprise a telemetry sensor disposed in a production well below a highly conductive layer and a transmitter. The system may further comprise a well assist system comprising a sensor which is operable to receive information from the transmitter. A method for providing telemetry and communication may comprise determining a location of a well assist system for a well production system, deploying the well assist system to the location, disposing a sensor from the well assist system below a highly conductive layer, and receiving information with the sensor, the information being transmitted from a transmitter of the well production system disposed below the highly conductive layer.

Abstract: An example laser tool is configured to operate within a wellbore of a hydrocarbon-bearing rock formation. The tool includes one or more optical transmission media. The one or more optical transmission media are part of an optical path originating at a laser generator configured to generate a laser beam. The one or more optical transmission media are for passing the laser beam. The tool includes a mono-optic element that is part of the optical path. The mono-optic element is for receiving the laser beam from the one or more optical transmission media and for altering at least one of a geometry or a direction of the laser beam for output to the hydrocarbon-bearing rock formation. The tool also includes one or more sensors to monitor one or more conditions in the wellbore and to output signals based on the one or more conditions.

Abstract: A deviated or horizontal wellbore is drilled in a geologic formation with a multiphase fluid including a gas by a rotating drill bit positioned at a downhole end of a drill string. Portions of the gas are released into the wellbore during the drilling. During the drilling, soundwaves are emitted into the geologic formation from within the wellbore by a set of acoustic emitters attached to the drill string. The received reflected soundwaves are transmitted by the set of solid acoustic couplers to a set of acoustic sensors contacting the solid acoustic couplers. The reflected soundwaves are received by the acoustic sensors. Rock properties of the geologic formation are determined based on the less attenuated reflected soundwaves transmitted to the acoustic sensors by the solid acoustic couplers. A drilling direction of the wellbore is adjusted based on the determined rock properties.

Abstract: A bit that includes reclaiming a substantially solid body from a consumed conical bit. The substantially solid body includes a truncated forward body portion where the destroyed bit was removed and a generally cylindrical shank portion depending axially from the forward body portion. A new forward portion that includes a generally cylindrical bore or a tapered bore axially extending from a forward end of the forward portion is welded to an interface of the truncated forward body portion of the substantially solid body.

Abstract: A unitary bit/holder assembly includes a bit tip insert having a diamond coated tip mounted thereon that is received in a transition member that is brazed onto a forward end of a bit holder. The forward end of the bit holder includes a trough onto which the transition member is mounted. The unitary bit/holder includes a standard length shank or a shortened length shank that can each be mounted into a shortened base block.

Abstract: The invention relates to an interchangeable chisel holder (40) which can be fixed to a milling drum (15) of a ground-working machine (10), having a forward chisel holder (42) for the interchangeable holding of a forward chisel (20), preferably a round-shaft chisel, and having a rearward chisel (30, 31), which is held on the interchangeable chisel holder (40), wherein, as based on a working movement (76) of the interchangeable chisel holder (40) when used in the ground-working machine (10), the rearward chisel (30, 31) is arranged behind the forward chisel holder (42). In such an interchangeable candleholder (40) provision can be made, according to the invention, for the rearward chisel (30, 31) to be held on the interchangeable chisel holder (40) axially and fixed in the circumferential direction of the chisel holder. Maintenance-induced stoppages of the ground-working machine can thus be reduced and the loss of chisels can at least be lowered.

Abstract: A rotary displacement piston pump is disclosed having rotatable single or dual valve/port plate(s). The valve plate, being rotatable forward and/or rearward with respect to the rotation of the piston carrier, alters the phasing of the land area of the pumping action thereby altering the phasing of piston speed inasmuch as the land area can be moved to a position to accelerate the piston(s) in a pre or decompression phase. In this way, pump noise, from colliding pressure fronts within the respective high and low pressure plenums, can be “tuned” out of the pump by adjusting the phasing and position of the valve plate(s) and raising or lowering the pre and decompression pressure(s) as necessary. Pump volume can also be controlled by advancing or retarding the valve plate(s), either in or out of synch, so as to shorten intake/exhaust piston stroke and overlap fluid flow between respective intake/exhaust plenums.

Abstract: An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers, respectively, and a double-faced piston slidably mounted within the cylinder. The piston may be configured to move in the cylinder in a first stroke from one end to another. The first stroke may include an expansion stroke portion and a non-expansion stroke portion. The non-expansion stroke portion may include a momentum stroke portion. The non-expansion stroke portion may include a scavenging phase. The engine may further include first and second piston rod portions extending from opposite faces of the piston. Passageways in the piston rod portions may be configured to communicate gases between a combustion chamber and other locations.

Abstract: A method for the assembly of a counter-rotating radial turbine includes: preparing a central case; pre-assembling a first turbine unit and a second turbine unit, each including: a half-case delimiting a housing; a rotating unit with a shaft housed and rotatably supported in the housing and that is free to rotate about an axis of rotation with respect to said housing; a rotor disc joined to and overhanging a distal end of the shaft and having a front bladed face facing the opposite side with respect to the half-case. The method includes coupling the first pre-assembled turbine unit and the second pre-assembled turbine unit to the central case so as to arrange the front bladed face of the first rotor disc in front of the front bladed face of the second rotor disc, wherein, following the coupling process, the first half-case and the second half-case laterally close the central case.

Abstract: A retaining collar is disclosed for a bayonet mount comprising a rotor disc having a male mounting member defining a pair of apertures and an auxiliary annular wheel defining a plurality of mounting slots. The retaining collar comprises a ring-shaped body and a pair of retention pins. The ring-shaped body has a pair of circumferential end portions separated by a circumferential gap, and an arcuate radial outer surface extending circumferentially between the end portions. The body is dimensioned so that the radial outer surface frictionally engages a radial inner surface of a cylindrical male mounting member in the bayonet mount. The pair of retention pins each extend radially outward from one of the circumferential end portions. Each of the retention pins are dimensioned to extend radially outward from the body through one of said apertures and one of said mounting slots.

Abstract: A turbine, a gas turbine, and a method of disassembling turbine blades, capable of ensuring stable sealing performance as well as facilitating disassembly of turbine blades are provided. The turbine may include a rotor disk including a plurality of slots formed therein, a plurality of turbine blades spaced apart from each other by a predetermined distance in a circumferential direction of the rotor disk on an outer peripheral surface, each of the turbine blades being inserted into an associated one of the slots, and a retainer sealing a cooling passage defined between the rotor disk and the turbine blade, wherein the turbine blade includes an airfoil-shaped blade part, a root part inserted into the rotor disk, and a platform part located between the blade part and the root part, and the root part includes a blade hook protruding therefrom to support the retainer.

Abstract: A stator vane assembly including an inner diameter platform. The assembly also includes an outer diameter platform defining an air inlet orifice extending radially therethrough. Further included is an airfoil extending between the inner diameter platform and the outer diameter platform, the airfoil having a hollow portion therein defining a serpentine cooling airflow path fluidly coupled to the air inlet orifice. Yet further included is a collar extending radially outwardly from the outer diameter platform and positioned adjacent the air inlet orifice, the collar extending to a non-uniform radial distance. The assembly also includes a turn cover operatively coupled to the collar.

Abstract: In accordance with one aspect of the disclosure, an airfoil is disclosed. The airfoil may include a platform and a blade extending from the platform. The blade may have a root proximate the platform and a tip radially outward from the platform. The root may have a greater thickness than a cross-section at about a quarter-span of the blade or greater.

Abstract: A turbine section includes a pair of adjacent turbine airfoils and an endwall extending between the airfoils. The endwall includes a first feature spanning approximately thirty percent pitch and having a first depression with a maximum depression located between twenty percent and eighty percent of the axial chord length of the first airfoil, a second feature spanning approximately thirty percent pitch and having a first peak with a maximum height located between sixty percent and ninety percent of the axial chord length of the first airfoil, and a third feature spanning approximately thirty percent pitch and having a second depression with a maximum depression located between twenty percent and fifty percent of the axial chord length of the second airfoil.

Abstract: A combustion chamber arrangement includes an annular combustion chamber, a plurality of lean burn fuel injectors and a stage of turbine nozzle guide vanes. The stage of turbine nozzle guide vanes is arranged at the downstream end of the annular combustion chamber and includes a plurality of circumferentially spaced vanes extending between and being secured to an annular inner wall and an annular outer wall. The annular inner wall has an outer surface which has a plurality of outer surface portions and each portion is positioned between a pair of circumferentially adjacent vanes and the annular outer wall has an inner surface which has a plurality of inner surface portions and each portion is positioned between a pair of circumferentially adjacent vanes.

Abstract: An apparatus and method for cooling a component for a turbine engine which generates a hot gas flow and provides a cooling fluid flow, the component comprising a body having an outer surface, at least a portion of which is exposed to the hot gas flow to define a hot surface, a cooling cavity located within the body and fluidly coupled to the cooling fluid flow and a pin located within the cooling cavity and defining a cooling hole.

Abstract: A turbine blade for a gas turbine engine. The turbine blade having a plurality of cooling holes defined therein, at least some of the plurality of cooling holes being located on a suction side of an airfoil of the turbine blade and in fluid communication with an internal cavity of the turbine blade; and wherein the at least some of the plurality of cooling holes are located in the airfoil according to the coordinates of Tables 1 and/or 2.