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| Application No. | Application Title | Issue Date |
| 20120080184 | APPARATUS AND METHOD FOR EVALUATING A WELLBORE, IN PARTICULAR A CASING THEREOF The apparatus for evaluating a wellbore while drilling includes a logging toolheld on a drill string and is adapted to obtain data from the wellbore while moving the drill string including the logging tool uphole and out of the wellbore. The logging tool includes a memo... | 04/05/2012 |
| 20120048542 | ANTI-LOCKING DEVICE FOR USE WITH AN ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME An anti-lock system, device and method for logging a wellbore are presented. The anti-lock system of a downhole tool preferably includes a first arm, a second arm, a pad, a swivel bearing between the first arm and the pad, and an anti-locking device. The first arm has a... | 03/01/2012 |
| 20120048541 | ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME A method and apparatus for logging a wellbore with an arm system is provided. The arm system has a pad for measuring a downhole parameter and a first arm having an arm first end connected to a tool body of the downhole tool and an arm second end connected to the pad. Th... | 03/01/2012 |
| 20120031610 | Fluid Resistivity Measurement Tool A downhole tool configured for conveyance within a borehole extending into a subterranean formation, wherein the downhole tool comprises a sensor assembly comprising a housing, a cap coupled to an end of the housing, a flow-line tube disposed within the housing and conf... | 02/09/2012 |
| 20110315378 | INSULATING OR MODIFIED CONDUCTIVITY CASING IN CASING STRING A casing string in a wellbore has conductive tubulars and modified conductivity (MC) or non-conductive tubulars joined to one another. A MC/non-conductive tubular may be disposed between two conductive tubulars. If there are at least two MC/non-conductive tubulars and a... | 12/29/2011 |
| 20110308794 | Real Time Determination of Casing Location and Distance with Tilted Antenna Measurement Methods and apparatus for detecting nearby conductors such as pipes, well casing, etc., from within a borehole. A nearby casing string can be detected by transmitting an electromagnetic signal from a first antenna on a downhole logging tool and measuring a response sign... | 12/22/2011 |
| 20110308795 | Downhole signal coupling system A signal coupling system for data and/or power signalling in tubing within a hydrocarbon extraction well. First and second transceivers are arranged with primary and secondary loops lying orthogonal to the ends of the transceivers. The transceivers can be narrower for a... | 12/22/2011 |
| 20110253364 | SYSTEM AND METHOD FOR GENERATING DENSITY IN A CASED-HOLE WELLBORE The invention relates to techniques, such as a system for generating a density of a cased wellbore. The system includes at least one downhole tool deployable into the cased wellbore, a radiation source supportable by the downhole tool for passing radiation through the s... | 10/20/2011 |
| 20110247803 | SIGNAL PROPAGATION ACROSS GAPS In some embodiments, an apparatus and a system, as well as a method and an article, may operate to monitor a first condition associated with transmitting or receiving a signal in a formation or on a drill string, or both, over a first selected interval of a drill string... | 10/13/2011 |
| 20110198078 | FORMATION EVALUATION INSTRUMENT AND METHOD Subsurface formation evaluation comprising, for example, sealing a portion of a wall of a wellbore penetrating the formation, forming a hole through the sealed portion of the wellbore wall, injecting an injection fluid into the formation through the hole, and determinin... | 08/18/2011 |
| 20110139447 | METHOD AND APPARATUS FOR LOGGING A WELL USING A FIBER OPTIC LINE AND SENSORS A system and method to log a wellbore, comprising a logging tool adapted to be deployed in a wellbore environment, the logging tool including at least one sensor for taking a measurement of the wellbore environment. The sensor is a fiber optic sensor and the system incl... | 06/16/2011 |
| 20110088895 | DOWNHOLE MEASUREMENT OF FORMATION CHARACTERISTICS WHILE DRILLING Methods and apparatus for acquiring mud gas logging data, comparing the mud gas logging data to second data associated with a sidewall fluid sample measurement, and adjusting calibration data associated with a mud gas logging tool based on the comparison of the mud gas ... | 04/21/2011 |
| 20110083845 | Datacoil™ Downhole Logging System A logging tool for use within a work string within a wellbore. The logging tool includes one or more sensors which detect operational conditions within the wellbore and a processing and storage means for recording data relating to these conditions.... | 04/14/2011 |
| 20110073303 | SYSTEM AND METHOD FOR COMMUNICATING BETWEEN A DRILL STRING AND A LOGGING INSTRUMENT A wireline configurable well logging instrument is connected to a drill pipe carrier and movable from a retracted position to an extended position. The drill pipe carrier is positioned on a pipe string that may comprise a portion of wired pipes communicatively coupled a... | 03/31/2011 |
| 20110056681 | METHOD AND APPARATUS FOR PERFORMING WIRELINE LOGGING OPERATIONS IN AN UNDER-BALANCED WELL A method and an apparatus log an underbalanced open hole well without killing the well or causing formation damage to maintain well control during the process. The installation of the well logging equipment is accomplished while holding the underbalanced open hole at it... | 03/10/2011 |
| 20110048702 | INTERLEAVED ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME A logging tool, system and method for logging a wellbore are presented. The logging tool preferably includes at least two arm sets that are positionable on a downhole tool deployable into the wellbore. The two arm sets preferably include a first arm set, a second arm se... | 03/03/2011 |
| 20110042079 | METHOD AND APPARATUS FOR PIPE-CONVEYED WELL LOGGING A well logging instrument deployment device according to this aspect of the invention includes a housing configured to be coupled to a pipe string. A latch disposed in the housing and is configured to retain a well logging instrument in a first longitudinal position ins... | 02/24/2011 |
| 20110042080 | DETERMINING FRACTURE ORIENTATION USING WELLBORE ACOUSTIC RADIAL PROFILES A method for performing field operations including obtaining a first set of acoustic radial profiles of a subterranean formation prior to induction of a fracture disposed about the wellbore, obtaining a second set of acoustic radial profiles of the subterranean formatio... | 02/24/2011 |
| 20110024109 | Simultaneous Drilling and Open Hole Wireline Logging for Drilling Rigs A method of logging a wellbore comprises drilling a first wellbore to a depth using a drilling rig and drilling a second wellbore to a depth using the drilling rig. While the second wellbore is being drilled a logging operation is conducted in the first wellbore using t... | 02/03/2011 |
| 20100300685 | METHOD AND SYSTEM FOR USING WIRELINE CONFIGURABLE WELLBORE INSTRUMENTS WITH A WIRED PIPE STRING A wellbore instrument system includes a pipe string extending from earth's surface into a wellbore. The pipe string includes at least one of an electrical conductor and an optical fiber signal communication channel. A power sub is coupled to at least one wireline config... | 12/02/2010 |
| 20100236777 | POWER SYSTEMS FOR WIRELINE WELL SERVICE USING WIRED PIPE STRING A wellbore instrument system includes a pipe string extending from earth's surface to a selected depth in a wellbore. The pipe string includes at least one of an electrical conductor and an optical fiber signal channel. A power sub including an electric power source is ... | 09/23/2010 |
| 20100193186 | METHOD AND APPARATUS TO CONSTRUCT AND LOG A WELL The present invention is directed a method of constructing a well and then production logging the unique well construction. More specifically, this invention is directed to a method of logging subterranean reservoirs though a unique well construction apparatus wherein t... | 08/05/2010 |
| 20100193185 | METHOD AND APPARATUS FOR RESCALING MEASUREMENTS WHILE DRILLING IN DIFFERENT ENVIRONMENTS A method of using a survey system comprising at least one sensor. The method comprises operating the survey system to provide information regarding the orientation of the sensor relative to the Earth at a first resolution level while the sensor is a first distance relat... | 08/05/2010 |
| 20100155058 | APPARATUS AND METHOD FOR MONITORING A FRACTURING OPERATION A method for monitoring a fracturing operation in a target well comprising extending a seismic sensor in a tubing string to a first position in an well offset from the target well. A coolant fluid is circulated through the tubing string for a predetermined time. The tub... | 06/24/2010 |
| 20100155059 | Fiber Optic Slickline and Tools A fiber optic slickline. The slickline includes fiber optic communication means without full downhole power transmitting capability. Nevertheless, the slickline is configured to accommodate an axial load up to, and in excess of 2,000 lbs. Downhole tools and tool assembl... | 06/24/2010 |
| 20100147513 | WELL JET DEVICE FOR WELL-LOGGING OPERATIONS AND THE OPERATING METHOD THEREOF The device comprises a jet pump mounted on a pipe string and a packer. The pump body is provided with a steplike pass channel which is embodied therein and communicates with a pumped-out medium supplying channel and an active medium supplying channel which is connected ... | 06/17/2010 |
| 20100089571 | Coiled Tubing Gamma Ray Detector A downhole tool for use in coiled tubing well operations. The tool includes a gamma ray detector for determining well location information for an associated coiled tubing application. The well location information may relate to well depth and/or the locating and identif... | 04/15/2010 |
| 20100084132 | Optical Coiled Tubing Log Assembly A fiber optic based logging assembly deliverable via coiled tubing. The downhole portion of the assembly is directed to develop a logging profile of a well by way of the fiber optic line. Thus, a downhole battery may be provided with the tool. Further, opto-electric int... | 04/08/2010 |
| 20100071794 | ELECTRICALLY NON-CONDUCTIVE SLEEVE FOR USE IN WELLBORE INSTRUMENTATION A well logging instrument housing includes an electrically non-conductive tube and at least one layer of fiber embedded in a matrix surrounding an exterior of the tube. The at least one fiber layer includes at least one carbon fiber. The at least one or carbon fiber is ... | 03/25/2010 |
| 20100038079 | DETERMINING A STATUS IN A WELLBORE BASED ON ACOUSTIC EVENTS DETECTED BY AN OPTICAL FIBER MECHANISM A system for use in a well includes downhole equipment for positioning in the well, and an optical fiber for deployment in the well, the optical fiber to extend to a location of interest in the well in proximity of the downhole equipment. An analysis unit analyzes detec... | 02/18/2010 |
| 20090120637 | Tagging a Formation for Use in Wellbore Related Operations A system for positioning a wellbore tool in a wellbore intersecting a subterranean formation includes a tag embedded in the formation using a tag insertion device. The tag may be configured to transmit a signal that includes information. A wellbore tool may utilize a ta... | 05/14/2009 |
| 20090038794 | HIGH-TEMPERATURE DOWNHOLE DEVICES Subterranean oilfield high-temperature devices configured or designed to facilitate downhole monitoring and high data transmission rates with laser diodes that are configured for operation downhole, within a borehole, at temperatures in excess of 115 degrees centigrade ... | 02/12/2009 |
| 20090014175 | SYSTEM AND METHOD FOR LOGGING WITH WIRED DRILLPIPE A system for logging with wired drill pipe includes a logging tool string; an interface sub in operable communication with the logging tool string; and a wired pipe in operable communication with the interface sub and method for logging with wired drill pipe.... | 01/15/2009 |
| 20080314586 | Well Logging Fluid for Ultrasonic Cement Bond Logging A well logging fluid, and methods of using the same, include a base fluid selected from water, water-based mud, or oil-based mud, and an additive material selected from silica or cork or alike. The fluid has an impedance substantially different from that of the base flu... | 12/25/2008 |
| 20080289818 | OPEN HOLE LOGGING FOR DRILLING RIGS A method of logging a wellbore comprises drilling a first wellbore to a depth using a drilling rig and drilling a second wellbore to a depth using the drilling rig. While the second wellbore is being drilled a logging operation is conducted in the first wellbore using t... | 11/27/2008 |
| 20080264634 | Well Jet Device and the Operating Method Thereof Well jet device comprises a packer on a pipe string, with a central channel and a jet pump, comprising channels for supplying a working medium to a nozzle and supplying a medium pumped from the well. A diffuser output connects to the annular space and the nozzle connect... | 10/30/2008 |
| 20080210422 | Reservoir Stimulation While Running Casing A method for stimulating a reservoir formation while running a casing string into the wellbore includes the steps of: connecting a stimulation assembly to a casing string, the stimulation assembly including a packer actuator in operational connection with a packer and a... | 09/04/2008 |
| 20080202767 | Drill Pipe Conveyance System for Slim Logging Tool A well logging instrument deployment device includes a housing configured to be coupled to a pipe string. A carrier sub is disposed inside the housing and configured to move longitudinally inside the housing. At least one well logging instrument is coupled to the carrie... | 08/28/2008 |
| 20080156485 | WELLBORE STEERING SYSTEM AND METHOD A method for surveying a wellbore may include deploying a deployable wellbore survey tool into the wellbore, collecting survey data as the deployable survey tool traverses the wellbore, and determining wellbore position information based on the survey data. In one examp... | 07/03/2008 |
| 20080142215 | METHODS AND APPARATUS FOR HARVESTING POTENTIAL ENERGY DOWNHOLE Methods and apparatus for harvesting energy while moving a tool through a well are shown and described. The harvested energy can be used by the tool to perform work once it reaches an intended location in the well, or along the way. A considerable amount of potential en... | 06/19/2008 |
