Abstract: The invention provides well control system for a riser. The well control system comprises a riser assembly and at least one flow meter. The at least one flow meter is configured to be mounted on the riser.

Abstract: Provided is an automated drilling arrangement comprising a platform, a drill pipe loading assembly arranged on the platform and including a cradle for receiving a drill pipe section, and a handler assembly configured automatically to displace and orientate said drill pipe section from the cradle into an upright position for engagement with a drill string. Arrangement also includes a drilling mast arranged on the platform and comprising a rotary head drive displaceable along the mast to effect drilling, and a drill pipe manipulator configured automatically to receive, align and connect said section of drill pipe from the handler assembly with a drill string of the rotary head drive to facilitate automated drilling by the automated drilling arrangement.

Abstract: Provided are a forward and reverse circulation assembly for core drilling tools and a coring operation method using the same. The forward and reverse circulation assembly includes an outer tube body and an inner receiving body arranged inside it, defining a downward drilling fluid channel between the two, at least one longitudinal fluid acceleration groove is formed on an outer peripheral wall of the inner receiving body. During operation, the drilling fluid is rapidly accelerated as it flows through the acceleration groove, thereby forming a stable negative pressure zone downstream. The negative pressure zone is formed by a reverse circulation channel, which draws fluid and rock cores upwards from a rock core inlet, thereby creating a protective local reverse circulation. A mainstream drilling fluid that does not participate in a reverse circulation continues to flow downwards, thereby forming a forward circulation for chip removal and cooling.

Abstract: There is a downhole tool for use in a drill string including a friction-reducing vibration tool and a bypass control. The vibration tool includes a rotary driving device responsive to fluid flow in the drill string, a valve including a rotary component and a stationary component configured to rotate relative to each other to vary flow through the valve, the rotary component of the valve driven by the rotary driving device, and a bypass passage around or through one or more of the rotary driving device and the valve. The bypass control has a sensor for detecting a stimulus, a bypass actuator for controlling an amount of fluid flow through the bypass passage to activate or deactivate the vibration tool, and a processor in communication with the sensor to control the bypass actuator in response to signals from the sensor.

Abstract: Device (10) for guiding a user to mark a core sample (12) carried by a core tube (14), the device (10) including: a housing (20) mountable relative to the core sample (12) or the core tube (14) and having a marking guide (22) configured to be arranged adjacent the core sample (12) to guide marking; a communications module (26) operable to communicate with the downhole tool (16) to receive data; a user interface (28) operable to convey perceptible feedback to the user; and a processor (30) and associated memory (32). The processor (30) is configured to store data in the memory (32) and determine a marking position based on the data, and operate the user interface (28) to direct the user to cause relative rotation of the marking guide (22) and the core sample (12) so that the marking guide (22) is aligned with the marking position, allowing the user to use the marking guide (22) to mark the core sample (12) at the marking position.

Abstract: A system and method for stall recovery of mud motors may be implemented in a steering control system. The stall recovery system and method may involve automatic detection of a stall of a mud motor during drilling controlled by the steering control system, and may respond to the stall in a rapid and controlled manner to avoid or minimize damage to the mud motor, such as by immediately reducing mud pressure and stopping rotary drilling, if used, faster than a typical human operator could perform. The stall recovery system and method may further take actions to automatically restart drilling.

Abstract: A system for constructing geothermal fields includes a coiled tubing (CT) string, a power source, and an electrically activated bottomhole assembly (BHA) coupled to the CT string. The electrically activated BHA includes an electric motor and a drill bit. The system includes one or more processors and memory. The memory stores instructions that, when executed by the one or more processors, cause the system to deploy the CT string from a surface into a subsurface for drilling a geothermal borehole, and cause the system to, during the drilling, (i) transfer power from the power source to the electric motor via at least a first portion of the CT string and (ii) transfer electrical current from the electric motor to the electric power source via an electrical conductor that is different from the at least the first portion of the CT string.

Abstract: A remote hydraulic system for controlling a valve of a wellhead or frac manifold includes a remote hydraulic skid, control skid, and power supply skid. The remote hydraulic skid includes a hydraulic reservoir, a hydraulic pump, an accumulator, a hydraulic manifold operatively coupled to the accumulator, and a hydraulic valve operatively coupled to the hydraulic manifold. The hydraulic valve is operatively coupled to the valve of the wellhead or frac manifold by a hydraulic line. The control skid includes an interface and is operatively coupled to the remote hydraulic skid. The power supply skid is coupled to the remote hydraulic skid to provide the power necessary to drive the hydraulic pump on the remote hydraulic skid. The remote hydraulic skid is positioned within a hazardous zone around the wellhead, while the control skid and power supply skid are positioned outside of the hazardous zone.

Abstract: Aspects of the disclosed technology provide solutions for facilitating user visualization and control the path of a new wellbore in three-dimensions (3D). This may include displaying visualizations that show a current well path, a well plan, all nearby offset well paths, and well path projections in a manner that may use different projection methods. These visualizations may also include boundaries where a drilling tool should not go, such “No-Go-Zones” may be shown in a 3D spatial visualization. Visualizations may be displayed continuously along the well path, at survey stations, and at user-defined depth positions during a drilling process. Such visualizations may include projections that show an anticipated wellbore path, based on current settings of a drilling control system. Alerts may be triggered to warn users of various issues that may affect a new well being drilled. Systems, methods, and computer-readable media are provided.

Abstract: Threaded connection for exploration and production of a hydrocarbon well, said threaded connection including a pin including an outer pin surface provided with an external thread, a box including an inner box surface provided with an internal thread for mating with the external thread during rotational make-up of the threaded connection, and an anti-rotation device to allow relative rotation between the pin and the box in a make-up rotation direction and prevent relative rotation between the pin and the box in an opposite break-out rotation direction, wherein the pin and the box extend along a longitudinal axis, the anti-rotation device includes a releasable mounted first anti-rotation member which is arranged in a first radial recess provided in one of the outer pin surface and the inner box surface, and a second anti-rotation member provided at the other of the outer pin surface and the inner box surface.

Abstract: An apparatus, system, and method according to which one or more sensors are adapted to detect a presence or absence of fluid entering, or before entering, a lubricator, within the lubricator, exiting, or after exiting, the lubricator, or any combination thereof, while fluid flow is received into the lubricator, the lubricator being operably coupled to a wellhead used in oil and gas operations. Based on the one or more sensors detecting the presence or absence of fluid, additional fluid flow into the lubricator is impeded.

Abstract: A method including deploying a formation testing tool in a borehole, actuating first and second packers of the formation testing tool in the borehole, obtaining measurements in response to actuation of the first and second packers of the formation testing tool in the borehole, and analyzing the measurements to estimate at least a shear modulus (G) of a geological formation surrounding the borehole.

Abstract: Embodiments of a high flow, tubing insensitive, deep set wireline retrievable safety valve are disclosed herein. In one embodiment, a valve system for use downhole in a wellbore comprises a tubing retrievable safety valve (TRSV) and a secondary safety valve to be positioned within the TRSV. The secondary safety valve comprises at least a valve body having a valve seat at a downhole end; a piston; a rod coupled with the piston; a control line; a first pressure communication port, communicatively coupling the control line of safety valve with the TRSV control line; a balance line; and a second pressure communication port, communicatively coupling the balance line of the safety valve with the TRSV balance line; wherein the control line is configured to actuate the safety valve between an open position and a closed position in response to an intentional pressure change in the control line.

Abstract: Provided is a coiled tubing deployment/retrieval apparatus, a coiled tubing surface equipment spread, and a method. The coiled tubing deployment/retrieval apparatus, in one aspect, includes a frame, a coiled tubing guide coupled to the frame, and a coiled tubing injector coupled to the frame, the coiled tubing injector configured to insert or retrieve a coiled tubing string guided by the coiled tubing guide into or out of a wellbore. The coiled tubing deployment/retrieval apparatus, in one aspect, further includes a power cable injector coupled to the frame, the power cable injector configured to insert or retrieve a power cable into or out of the wellbore alongside the coiled tubing string.

Abstract: Systems and methods for landing a tubing hanger in a wellhead and then orienting a tree (or spool, or flowline connection body) relative to the tubing hanger while landing the tree on the wellhead are provided. This alignment is accomplished without the use of either a tubing spool or a BOP stack with an orientation pin. The tubing hanger alignment devices may be used to orientate the tree as the tree is landed so that the couplings and stabs between the tree and the tubing hanger line up with each other just at the moment of landing.

Abstract: Embodiments of the invention relate to methods, systems, and software for identifying and quantifying subsurface hydrogen, helium, carbon dioxide, or other fluids using multiple indicia from geophysical well logs, other wireline logging tools, or mudlogging tools.

Abstract: A brake system for maintaining an angular position of a spindle assembly. A pump-powered motor drives rotation of a spindle on the machine. When no rotation is desired, the spindle will slow, then stop at a desired angular orientation. A rotational sensor will determine the clock position, and a controller compares that to a desired angular orientation. If an error tolerance is exceeded, the motor will rotate the spindle back to the desired orientation.

Abstract: Provided is a two part drilling and running tool, a downhole tool, a well system, and a method for forming a well system. The two part drilling and running tool, in at least one aspect, includes a smaller assembly coupled to an end of a conveyance, the smaller assembly having a spline or slot located along an entire length (LS) thereof. The two part drilling and running tool, in accordance with this aspect, further includes a larger bit assembly slidably coupled to the conveyance, the larger bit assembly including an other of the slot or spline, wherein the spline or slot in the smaller assembly and the other of the slot or spline in the larger bit assembly are configured to engage one another to rotationally fix the smaller assembly relative to the larger bit assembly as the smaller assembly and the larger bit assembly slidingly engage one another.

Abstract: A chemical injection system includes an electric submersible pump (ESP) and a fluid chamber. The ESP lifts a production fluid through a production string disposed within a wellbore. The fluid chamber is coupled with the ESP and houses a treatment fluid. The fluid chamber defines, together with a wall of the wellbore, an annulus. The ESP flows at least a portion of the production fluid into the fluid chamber to push the treatment fluid out of the fluid chamber into the annulus, allowing the treatment fluid to flow from the annulus into the ESP to treat the ESP.

Abstract: A system includes a container unit and a processor. The container unit includes a first fluid pathway having an inlet configured to couple to a first component of a drilling fluid circulation system, and having an outlet configured to couple to a second component of the drilling fluid circulation system. The container unit also includes a second fluid pathway having an inlet configured to couple to a third component of the drilling fluid circulation system, and having an outlet configured to couple to the third component. The container unit includes a first sensor coupled to the first fluid pathway and a second sensor coupled to the second fluid pathway. The processor is configured to determine a drilling fluid profile based on data from the sensors, and compare the determined drilling fluid profile to a target drilling fluid profile to determine an adjustment for an actual drilling fluid profile.