Abstract: A computer-readable storage medium comprising instructions which when executed cause a computing device to receive a request from a client to display a map projection of a spatial reference, wherein the spatial reference comprises a location and a scale, select a projected coordinate system from a plurality of projected coordinate systems based on the spatial reference and a set of business rules, generate the map projection of the spatial reference using the projected coordinate system, and send the map projection to the client, wherein the map projection is displayed on the client.

Abstract: One or more silica optical fibers (22), especially for use in downhole distributed temperature sensing and similar applications, are deployed in a corrosion resistant metal alloy control line (20) which is electrically insulated with, for example, EPDM. The insulation layer may be covered by a fluid resistant sealing layer (26), which may in turn be covered by a mechanical armor layer 28. The resultant composite optical fiber cable exhibits improved resistance to degradation of optical performance at elevated temperatures over about 100 deg. C.

Abstract: A hydraulic actuator connected between a downhole tool and a hydraulic control line for operating the downhole tool through an actuation sequence includes a valve shuttle section having an inlet port in connection with the hydraulic control line, a first function port and a second function port, and a shuttle moveable between positions providing fluid communication between the inlet port and the first function port and the inlet port and the second function port; and a pilot assembly in fluid connection with the hydraulic control line and in operational connection with the shuttle, the pilot assembly movable in response to an actuation cycle comprising applying pressure from the hydraulic control line and bleeding the pressure off.

Abstract: A system and a method for adjusting the length of a cable between downhole sensors. The length adjustment system comprises a housing and at least one deforming member configured to translate relative to the housing. An actuator may be coupled to the deforming member and configured to translate the deforming member. The cable is deformed with one or more arcuate deformations, thereby reducing the length of the cable as measured relative to a straight line.

Abstract: A method for determining a wax appearance temperature of a fluid includes obtaining nuclear magnetic resonance (NMR) measurements of the fluid at a plurality of temperatures; deriving a NMR parameter from each of the NMR measurements; and determining the wax appearance temperature by analyzing the NMR parameter as a function of temperature. An apparatus for detecting wax appearance in a fluid includes a sample cell for holding a fluid for nuclear magnetic resonance (NMR) measurements at a plurality of temperatures; a temperature measuring device disposed proximate the sample cell; a magnet for polarizing molecules in the fluid in the sample cell; at least one radiofrequency (RF) coil for generating pulses of magnetic field and for detecting NMR signals; and circuitry for controlling and measuring the temperature of the fluid in the sample cell and for obtaining NMR measurements.

Abstract: A retrievable flow control device comprising a housing configured to sealably couple with a completion component. The housing may comprise a first port and a second port establishing a fluid pathway. The fluid pathway may regulate a fluid flow as the fluid flow passes through the fluid pathway. The housing may further comprise a coupling mechanism configured to releasably couple with a corresponding feature of the wellbore completion. The downhole flow control device may be configured to be retrievable independently of the completion component. The flow control device may comprise a check valve in the fluid pathway in order to substantially constrain the fluid flow to a single direction. In some cases, the flow control device may be configured to couple with a side pocket. In other cases, a concentric flow control device may be configured to couple with a screen base pipe, tubing, or stinger.

Abstract: A packer includes first and second external seal elements. The first external seal element is adapted to form an annular seal in the well. The second external seal element is adapted to be moved in response to fluid in the well to produce a force to at least partially assist an operation of the packer.

Abstract: A technique that is usable with a well includes communicating fluid downhole in the well. The technique includes enhancing fluid recovery from a reservoir by, downhole in the well, controlling the pumping of the fluid to create a pressure wave which propagates into the reservoir.

Abstract: A tunable LC circuit is used to trigger an electron discharge from an accelerator device, such as a Betatron. The circuit includes a coil as a first inductor having a first inductance electrically coupled in series with a capacitor. A second inductor having a variable inductance is electrically coupled, either in series or parallel, to the first inductor. The time to capacitor discharge is governed by: ?LC=?{square root over ((L+LTUNE)C)}. Adjusting the inductance of the variable inductor (LTUNE) facilitates continuous adjustment of the discharge time. This is particularly useful when the LC values change in response to external stimuli, such as borehole temperature when a Betatron is used to log borehole features.

Abstract: An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The second equipment section is adapted to be run downhole into the well after the first equipment section is run downhole into the well to engage the first equipment section. A mechanism of the apparatus indicates when the first inductive coupler is substantially aligned with the second inductive coupler.

Abstract: A lubricator valve assembly adapted for connection in a pipe string for use in a well includes a tubular valve body having a bore formed longitudinally therethrough; a valve seat connected to the valve body and in communication with the bore; a valve element mounted in the bore and rotatable with respect to the valve seat between positions opening and closing the bore; an operator in connection between the valve element and a hydraulic control system, the operator moving the valve element between the open and close bore positions in response to the hydraulic control system; and a system for opening the valve element upon failure of the hydraulic system.

Abstract: A groundwater monitoring device includes a wireless communications device operable to communicate only within a range of about 150 meters and a sensor package operably associated with the wireless communications device. The wireless communications device includes an antenna, a radio frequency transceiver coupled with the antenna, a processor coupled with the radio frequency transceiver, and an electrochemical cell. The electrochemical cell is electrically coupled with the sensor package, the processor, and the radio frequency transceiver. The electrochemical cell is capable of providing sufficient electrical power to operate the radio frequency transceiver, the sensor package, and the processor for a period of at least a plurality of months.

Abstract: An apparatus used in electrical investigation of geological formations GF surrounding a borehole BH, comprises: an electrically conductive body 102 movable through the borehole BH, at least one first transmitter T1 for inducing a first current from a first transmitter position and traveling in a path that includes a first portion of the body and a selected zone SZ of the geological formations GF, at least one second transmitter T2 for inducing a second current from a second position and traveling in a path that includes a second portion of the body and the selected zone SZ, the second transmitter T2 position being different from the first transmitter T1 position on the body, at least a first M0, second M1 and third M2 axial current sensors for measuring a first, a second and a third axial current flowing along the body, respectively, the first, second and third axial current sensor position on the body being different from each other, and at least one lateral current sensor R2 disposed on the body for meas

Abstract: A technique usable with a well includes disposing a retractable line in a conduit having an open end located above a region of interest in the well. The retractable line comprises a sensing portion that, when the line is deployed, extends from the open end of the conduit and into the region of interest. Information observed by the sensing portion in the region of interest is communicated to the surface. When further well operations are to be performed in the region of interest, the retractable line is retracted until the sensing portion is located above the region of interest and below the surface. After the well operation is completed, the retractable line may be re-deployed such that the sensing portion again extends through the open end of the conduit and into the region of interest to continue observing characteristics associated with the well.

Abstract: A method, apparatus, computer system and a program storage device for modeling a business process to assess risk is provided. A preferred embodiment of the method includes the steps of: (a) creating a high level model for the business process, (b) modeling a calculation algorithm for the business process; and (c) testing the model; wherein one or more views are used in each of steps (a), (b) and (c); and wherein the pattern technique of identifying and visualizing uncertainty is used in each of steps (a), (b) and (c), in increasing detail at each successive step.

Abstract: An electromagnetic logging that includes a support; and at least one four-coil array disposed on the support, wherein the at least one four-coil array comprises: a transmitter, a bucking coil, a receiver, and a trim coil. A method for balancing an induction array includes applying an alternating current to a transmitter of the induction array that comprises the transmitter, a bucking coil and a receiver; measuring a mutual coupling between the transmitter and the receiver; and adding an extra bucking coil, if the mutual coupling exceeds a selected criterion.

Abstract: A method of generating a decision tree for a seismic to simulation workflow, including: identifying a plurality of elements of the seismic to simulation workflow; receiving a plurality of modeling scenarios for each of the plurality of elements, where each of the plurality of modeling scenarios is associated with a realization of the seismic to simulation workflow; receiving a plurality of probabilities for the plurality of modeling scenarios; and generating a decision tree comprising a plurality of nodes and a plurality of branches in response to said plurality of modeling scenarios, where each level of the decision tree is associated with one of the plurality of elements, where the plurality of nodes are associated with the plurality of modeling scenarios, and where the plurality of branches are based on the plurality of probabilities.

Abstract: The present invention is directed to a nuclear magnetic resonance apparatus and method for generating an axisymmetric magnetic field having long, straight contour lines in the resonance region. A magnetically permeable member is used to shape the static magnetic field generated by an array of permanent magnets. The magnetically permeable member minimizes variations of the static magnetic field in the formation due to vertical motion of the apparatus while obtaining a nuclear magnetic resonance measurement. Further, the magnetically permeable member may minimize variations of the static magnetic field in the formation due to lateral motion of the apparatus while obtaining a nuclear magnetic resonance measurement.

Abstract: A wireline-conveyed side-wall core coring tool for acquiring side-wall core from a geological formation for performing in-situ side-wall core analysis. The coring tool has a core analysis unit operable to measure geophysical properties of an acquired side-wall core. The measured geophysical properties may be used to determine the success of the acquisition of side-wall cores by the coring tool. The core analysis unit is operable of performing an in-situ interpretation of measured geophysical property of the side-wall core and transmitting in near real-time the measurements or the interpretation results to surface data acquisition and processing apparatus.

Abstract: The present embodiment of the invention relates to an apparatus and method for using components in a subsea assembly formed from a raw polymer material combined with a marine growth inhibitor material.