| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Centralizer for use with wellbore drill collar | US14913797 | 2015-08-18 | US09657537B2 | 2017-05-23 | Benjamin Scott Riley; Daniel Patrick Carter; Anup Sona |
| A centralizer includes one or more centralizer fins radially extending from a body of the centralizer. The centralizer fins may include one or more chambers extending through the outer surfaces of the centralizer fins. The one or more chambers may change shape in response to a compression force being applied to the centralizer fins to cause the centralizer fins to deform. The centralizer fins may be deformed for installation of the centralizer in a drill collar. The centralizer may also include a split-ring clamp for coupling the centralizer to a drilling tool positioned in a through-bore of the centralizer body. The split-ring clamp may apply a load on the drilling tool in response to an end cap being torqued to an end portion of the centralizer body. | ||||||
| 142 | Improvements In Or Relating To Data Communication In Wellbores | US15128966 | 2015-03-13 | US20170114633A1 | 2017-04-27 | Mark Gregory Maylin; Adrian Robert Bowles; Micheal Alan Jones |
| Method and apparatus to allow continuous recovery and broadcast of data and commands to and from a tubular string (32) through all phases of drilling and completion running in a wellbore. A RF transceiver (76/74) is located on the tubular string, the transceiver being adapted to receive signals and broadcast the signals, and a RF transceiver (88/90) is located remote from the tubular string and adapted to receive the broadcasted signal by virtue of an antenna (92) arranged within a fluid filled annulus (60) around the tubular string. RF transmission through the wellbore using distributed RF transceivers providing data and command transmission up and down the tubing string. | ||||||
| 143 | DEDICATED WIREWAYS FOR COLLAR-MOUNTED BOBBIN ANTENNAS | US14904661 | 2015-01-16 | US20160369578A1 | 2016-12-22 | Alexei Korovin; Razi Rashid |
| A system to protect a downhole antenna from fluid penetration, in some embodiments, comprises a collar; a bobbin antenna, mounted on the collar, including multiple coil slots on an outer surface of the bobbin antenna and including one or more intra-bobbin wireways between at least one of the coil slots and an outlet of the bobbin antenna; and a collar wireway that is dedicated to the bobbin antenna. | ||||||
| 144 | HEAT TREATED HEAVY WEIGHT DRILL PIPE | US14685847 | 2015-04-14 | US20160305194A1 | 2016-10-20 | Wenhui Jiang; Fengxiao Liu; Alan W. Lockstedt; Doyle Wayne Brinegar |
| A heavy weight drill pipe may include a tube body formed of AISI 1340 alloy steel, and first and second tool joints at respective ends of the tube body, and which are formed of an AISI 41XX series alloy steel. The first and second tool joints may be welded to the tube body at a weld line within a weld region. A Charpy impact toughness at the weld line or surrounding weld region may be least 12 ft-lbs. (16.5 N-m). Yield and tensile strengths at the weld line or weld region may be at least 65 ksi (448.0 MPa) and at least 106 ksi (731.0 MPa), respectively. Material properties at the weld line or weld region may be achieved by heat treating after welding. Heat treating may include austenitizing, quenching, and tempering the weld line and/or the surrounding weld region. | ||||||
| 145 | CONTROLLING A BOTTOM HOLE ASSEMBLY IN A WELLBORE | US15035448 | 2013-12-06 | US20160290117A1 | 2016-10-06 | Jason D. Dykstra; Zhijie Sun |
| Techniques for controlling a bottom hole assembly (BHA) include determining a model of BHA dynamics based on sensor measurements from the BHA; determining, based on the model of BHA dynamics, an objective function including a predicted future deviation from a planned wellbore path; determining a control input to the BHA that satisfies the objective function for a set of operating conditions of the BHA; generating, at a secondary system, relational information that relates the control input to the set of operating conditions; and transmitting the relational information from the secondary system to the BHA. | ||||||
| 146 | Drillstring | US15038002 | 2014-11-20 | US20160290065A1 | 2016-10-06 | Benjamin P. Jeffryes |
| A drillstring comprising a length of drillpipes and a bottomhole assembly disposed at a downhole end of the length of drillpipes. The bottomhole assembly comprises a transition section proximal to the end of the length of drillpipes to reduce vibration of the bottomhole assembly during drilling. The transition section varies gradually in acoustic impedance between the acoustic impedance of the drillstring above the transition section and the acoustic impedance of the bottomhole assembly below the transition section. The transition section forms at least thirty percent (30%) of the total length of the bottomhole assembly. | ||||||
| 147 | METHODS FOR ATTENUATING NOISE SIGNALS IN A CEMENT EVALUATION TOOL | US14537114 | 2014-11-10 | US20160130931A1 | 2016-05-12 | Yucun Lou; Jahir Pabon |
| Systems and methods for evaluating cement in the annulus of a wellbore are provided. In one embodiment, the cement may be evaluated using a casing arrival measurement sensor that measures casing arrival signals resulting from firing a signal from a cement bond logging acoustic source. Signals other than casing arrival signals may be attenuated using grooves between the transmitter and receiver in the drill collar. | ||||||
| 148 | CENTRALIZER FOR DOWNHOLE PROBES | US14441130 | 2013-11-06 | US20150322731A1 | 2015-11-12 | Aaron W. LOGAN; Justin C. LOGAN; Patrick R. DERKACZ |
| An assembly for use in subsurface drilling includes a downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string. The downhole probe may be supported for substantially its entire length. | ||||||
| 149 | METHODS AND APPARATUS FOR DOWNHOLE PROBES | US14650502 | 2012-12-07 | US20150315900A1 | 2015-11-05 | Jili (Jerry) LIU; Patrick R. DERKACZ; Aaron W. LOGAN; Justin C. LOGAN; David A. SWITZER |
| A method for using a downhole probe. The method comprises providing a probe, at least one vertical cross section of the probe having an area of at least pi inches squared. The method further comprises inserting the probe into a bore of a drill collar and passing a drilling fluid through the bore of drill collar at a flow velocity of less than 41 feet per second. | ||||||
| 150 | CENTERING CONTROL TYPE DRILL SYSTEM FOR OFFSHORE STRUCTURE | US14266644 | 2014-04-30 | US20150315851A1 | 2015-11-05 | Jong Yeol LEE; Dong Hwan HWANG; Jae Il BAE; Jae Wook JUNG |
| Disclosed herein is a centering control type drill system for offshore structures. The centering control type drill system is installed to be elevated in a derrick for offshore drilling and rotates a drill string. The centering control type drill system includes a motor providing rotational force for offshore drilling, a gear box unit placed below the motor and increasing the rotational force of the motor, a main rotary shaft placed below the gear box unit and rotating the drill string; an intermediate bracket provided to the gear box unit, a dolly bracket disposed to be elevated in the derrick, a first dolly arm retractably coupled between the dolly bracket and the intermediate bracket by a hinge, a second dolly arm retractably coupled between the dolly bracket and the intermediate bracket by a hinge, and a cylinder rotating the second dolly arm about the hinge. | ||||||
| 151 | ELECTRONIC DEVICES FOR HIGH TEMPERATURE DRILLING OPERATIONS | US14265272 | 2014-04-29 | US20150313010A1 | 2015-10-29 | Sheng ZHAN; Jinhai ZHAO; Herong ZHENG; Weiping XU |
| The present disclosure provides the printed circuit board assembly suitable for operating downhole at high temperatures. The printed circuit board assembly has a ceramic circuit board with a plurality of chips installed on it. At least one of the chips has an aluminum nitride or a silicon nitride substrate. In some of the chips, aluminum nitride is used as the oxide layer in a Si-on-Insulator configuration. In other chips, integrated circuits are fabricated on a substrate made from aluminum nitride, silicon nitride, silicon carbide, or sapphire. | ||||||
| 152 | DRILL COLLAR WITH INTEGRATED PROBE CENTRALIZER | US14441124 | 2013-11-06 | US20150267481A1 | 2015-09-24 | Aaron W. Logan; Justin C. Logan; Patrick R. Derkacz; David A. Switzer |
| An assembly for use in subsurface drilling includes a downhole probe supported in a drill string section by centralizing features that are integral with the drill string section. A bore wall of the drill string section is fluted to provide inward contact points that support the downhole probe. The downhole probe may be supported for substantially its entire length. A vibration damping and/or electrically insulating material may optionally be provided between the downhole probe and the drill string section. | ||||||
| 153 | Ball hole welding using the friction stir welding (FSW) process | US14046769 | 2013-10-04 | US08955734B2 | 2015-02-17 | Russell J. Steel; Scott M. Packer; Cary A. Roth; Madapusi K. Keshavan |
| A roller cone drill bit includes a bit body, at least one leg extending downward from the bit body, a journal on each leg, and a roller cone mounted on each journal. A ball race is configured between each journal and roller cone, and a plurality of retention balls is disposed within each ball race. A ball hole extends from the back face of each leg to the ball race, and a ball hole plug fits within the ball hole. The ball hole plug is secured to the leg by a friction stir weld. | ||||||
| 154 | Logging-While-Drilling Tool Incorporating Electronic Radiation Generator And Method For Using Same | US14281945 | 2014-05-20 | US20140251690A1 | 2014-09-11 | Matthieu Simon; Peter Wraight; Christian Stoller; Kenneth E. Stephenson; Andrew Bazarko |
| Logging-while-drilling tools incorporating an electronic radiation generator, such as an electronic X-ray generator, and a method for using the same are provided. One example of such a logging-while-drilling tool may include a circumferential drill collar, a chassis disposed radially interior to the drill collar, and an electronic X-ray generator and an X-ray detector disposed within the chassis. The electronic X-ray generator may emit X-rays out of the logging-while-drilling tool into a subterranean formation. The X-ray detector may detect X-rays that return to the logging-while-drilling tool after scattering in the subterranean formation, which may be used to determine a density and/or a lithology of the subterranean formation. | ||||||
| 155 | Logging-while-drilling tool incorporating electronic radiation generator and method for using same | US12959485 | 2010-12-03 | US08742328B2 | 2014-06-03 | Matthieu Simon; Peter Wraight; Christian Stoller; Kenneth E. Stephenson; Andrew Bazarko |
| Logging-while-drilling tools incorporating an electronic radiation generator, such as an electronic X-ray generator, and a method for using the same are provided. One example of such a logging-while-drilling tool may include a circumferential drill collar, a chassis disposed radially interior to the drill collar, and an electronic X-ray generator and an X-ray detector disposed within the chassis. The electronic X-ray generator may emit X-rays out of the logging-while-drilling tool into a subterranean formation. The X-ray detector may detect X-rays that return to the logging-while-drilling tool after scattering in the subterranean formation, which may be used to determine a density and/or a lithology of the subterranean formation. | ||||||
| 156 | Formation Evaluation While Drilling | US14149961 | 2014-01-08 | US20140116783A1 | 2014-05-01 | Steven G. Villareal; Reinhart Ciglenec; Michael J. Stucker; Khanh Duong |
| In one embodiment, a sampling while drilling tool includes a drill collar having a first end, a second end, an outer wall extending between the first and second ends, and at least one opening extending through the outer wall to a cavity within the drill collar. The sampling while drilling tool also includes a sample chamber positionable in the cavity through the opening in the outer wall and a passage for conducting a drilling fluid through the drill collar. | ||||||
| 157 | Formation evaluation while drilling | US13692626 | 2012-12-03 | US08636064B2 | 2014-01-28 | Steven G. Villareal; Reinhart Ciglenec; Michael J. Stucker; Khanh Duong |
| In one embodiment, a sampling while drilling tool includes a drill collar having a first end, a second end, an outer wall extending between the first and second ends, and at least one opening extending through the outer wall to a cavity within the drill collar. The sampling while drilling tool also includes a sample chamber positionable in the cavity through the opening in the outer wall and a passage for conducting a drilling fluid through the drill collar. | ||||||
| 158 | Shearable drill pipe method and apparatus | US12806447 | 2010-08-13 | US08584775B2 | 2013-11-19 | Benton Frederick Baugh |
| The method of shearing drill collars used in the drilling of oil and gas wells, comprising providing an outer sleeve of a first material for carrying structural loads, providing a second material within the outer sleeve which is lower in shear strength and is greater in unit weight than the first material, and providing a hole in the second material for the circulation of fluids. | ||||||
| 159 | INFLATABLE PACKER ELEMENT FOR USE WITH A DRILL BIT SUB | US13706604 | 2012-12-06 | US20130161100A1 | 2013-06-27 | Shaohua Zhou |
| A system for use in a subterranean wellbore includes an earth boring bit on a lower end of a drill string, and an inflatable packer system. The packer system includes a pressure activated inlet valve that regulates pressurized fluid from within the drill string to the packer for inflating the packer. The inlet valve opens above a pressure used for drilling and includes a piston and spring disposed in a cylinder; the spring provides a biasing force against the piston and positions the piston between the annulus and an inlet port to the packer. When inflated, the packer extends radially outward from the drill string and into sealing engagement with an inner surface of the wellbore. | ||||||
| 160 | Formation evaluation while drilling | US13107178 | 2011-05-13 | US08336622B2 | 2012-12-25 | Steven G. Villareal; Reinhart Ciglenec; Michael J. Stucker; Khanh Duong |
| An apparatus comprising a fluid communication device configured to extend from a drill string and establish fluid communication with a subterranean formation penetrated by a wellbore in which the drill string is positioned, wherein the drill string comprises a passage configured to conduct drilling mud and an opening extending through an outer surface thereof and into a cavity. A sample chamber is coupled within the cavity and is in selectable fluid communication with the formation via the fluid communication device. | ||||||
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