US7823689B2
(en)
*
|
2001-07-27 |
2010-11-02 |
Baker Hughes Incorporated |
Closed-loop downhole resonant source
|
US8302687B2
(en)
*
|
2004-06-18 |
2012-11-06 |
Schlumberger Technology Corporation |
Apparatus for measuring streaming potentials and determining earth formation characteristics
|
DE102004058862A1
(de)
*
|
2004-12-06 |
2006-06-14 |
Endress + Hauser Gmbh + Co. Kg |
Vorrichtung zum Aussenden und/oder Empfangen von Hochfrequenzsignalen in ein offenes oder ein geschlossenes Raumsystem
|
US8344905B2
(en)
|
2005-03-31 |
2013-01-01 |
Intelliserv, Llc |
Method and conduit for transmitting signals
|
JP2009503306A
(ja)
*
|
2005-08-04 |
2009-01-29 |
シュルンベルジェ ホールディングス リミテッド |
坑井遠隔計測システム用インターフェイス及びインターフェイス方法
|
US9109439B2
(en)
|
2005-09-16 |
2015-08-18 |
Intelliserv, Llc |
Wellbore telemetry system and method
|
US20070278009A1
(en)
*
|
2006-06-06 |
2007-12-06 |
Maximo Hernandez |
Method and Apparatus for Sensing Downhole Characteristics
|
US8120508B2
(en)
*
|
2006-12-29 |
2012-02-21 |
Intelliserv, Llc |
Cable link for a wellbore telemetry system
|
GB2450498A
(en)
*
|
2007-06-26 |
2008-12-31 |
Schlumberger Holdings |
Battery powered rotary steerable drilling system
|
US8022839B2
(en)
*
|
2007-07-30 |
2011-09-20 |
Schlumberger Technology Corporation |
Telemetry subsystem to communicate with plural downhole modules
|
US20090195408A1
(en)
*
|
2007-08-29 |
2009-08-06 |
Baker Hughes Incorporated |
Methods and apparatus for high-speed telemetry while drilling
|
WO2009048459A1
(en)
*
|
2007-10-09 |
2009-04-16 |
Halliburton Energy Services |
Telemetry system for slickline enabling real time logging
|
WO2009111412A2
(en)
*
|
2008-03-03 |
2009-09-11 |
Intelliserv, Inc. |
Monitoring downhole conditions with drill string distributed measurement system
|
US8284073B2
(en)
*
|
2008-04-17 |
2012-10-09 |
Schlumberger Technology Corporation |
Downlink while pumps are off
|
WO2009142873A1
(en)
|
2008-05-22 |
2009-11-26 |
Schlumberger Canada Limited |
Downhole measurement of formation characteristics while drilling
|
WO2009149038A2
(en)
*
|
2008-06-06 |
2009-12-10 |
Schlumberger Canada Limited |
Systems and methods for providing wireless power transmissions and tuning a transmission frequency
|
US20100071910A1
(en)
*
|
2008-09-25 |
2010-03-25 |
Nicholas Ellson |
Method and system for using wellbore instruments with a wired pipe string
|
US20100078414A1
(en)
*
|
2008-09-29 |
2010-04-01 |
Gas Technology Institute |
Laser assisted drilling
|
WO2010039357A2
(en)
*
|
2008-10-01 |
2010-04-08 |
Schlumberger Canada Limited |
Logging tool with antennas having equal tilt angles
|
US8783382B2
(en)
|
2009-01-15 |
2014-07-22 |
Schlumberger Technology Corporation |
Directional drilling control devices and methods
|
US20100185395A1
(en)
*
|
2009-01-22 |
2010-07-22 |
Pirovolou Dimitiros K |
Selecting optimal wellbore trajectory while drilling
|
US8049506B2
(en)
|
2009-02-26 |
2011-11-01 |
Aquatic Company |
Wired pipe with wireless joint transceiver
|
AU2010236911B2
(en)
*
|
2009-03-31 |
2015-11-05 |
Intelliserv International Holding, Ltd. |
System and method for communicating about a wellsite
|
US8322433B2
(en)
*
|
2009-06-01 |
2012-12-04 |
Schlumberger Technology Corporation |
Wired slip joint
|
US8757254B2
(en)
*
|
2009-08-18 |
2014-06-24 |
Schlumberger Technology Corporation |
Adjustment of mud circulation when evaluating a formation
|
US8453764B2
(en)
*
|
2010-02-01 |
2013-06-04 |
Aps Technology, Inc. |
System and method for monitoring and controlling underground drilling
|
DE102010047568A1
(de)
|
2010-04-12 |
2011-12-15 |
Peter Jantz |
Einrichtung zur Übertragung von Informationen über Bohrgestänge
|
EP2564024A4
(de)
*
|
2010-04-27 |
2017-05-31 |
National Oilwell Varco, L.P. |
Systeme und verfahren zur verwendung drahtloser tags in einer bohrlochausrüstung
|
US9000873B2
(en)
|
2010-07-05 |
2015-04-07 |
Schlumberger Technology Corporation |
Inductive couplers for use in a downhole environment
|
US9273517B2
(en)
*
|
2010-08-19 |
2016-03-01 |
Schlumberger Technology Corporation |
Downhole closed-loop geosteering methodology
|
MX2013005175A
(es)
*
|
2010-11-08 |
2013-07-29 |
Schlumberger Technology Bv |
Sistema y método para la comunicación de datos entre instrumentos de hoyo y dispositivos de superficie.
|
US8860249B2
(en)
*
|
2010-12-08 |
2014-10-14 |
Schlumberger Technology Corporation |
Power allocation to downhole tools in a bottom hole assembly
|
CN102022109B
(zh)
*
|
2010-12-27 |
2013-03-13 |
中国电子科技集团公司第二十二研究所 |
井下仪器贯通线走线装置
|
US20120218863A1
(en)
*
|
2011-02-25 |
2012-08-30 |
Chau Albert W |
Inground drill string housing and method for signal coupling
|
RU2013138441A
(ru)
*
|
2011-02-25 |
2015-02-27 |
Мерлин Технолоджи, Инк. |
Подземный корпус бурильной колонны и способ передачи сигналов
|
US8695727B2
(en)
|
2011-02-25 |
2014-04-15 |
Merlin Technology, Inc. |
Drill string adapter and method for inground signal coupling
|
US8925652B2
(en)
*
|
2011-02-28 |
2015-01-06 |
Baker Hughes Incorporated |
Lateral well drilling apparatus and method
|
US9222350B2
(en)
|
2011-06-21 |
2015-12-29 |
Diamond Innovations, Inc. |
Cutter tool insert having sensing device
|
US8967295B2
(en)
*
|
2011-08-22 |
2015-03-03 |
Baker Hughes Incorporated |
Drill bit-mounted data acquisition systems and associated data transfer apparatus and method
|
US10180061B2
(en)
|
2011-09-26 |
2019-01-15 |
Saudi Arabian Oil Company |
Methods of evaluating rock properties while drilling using downhole acoustic sensors and a downhole broadband transmitting system
|
US9624768B2
(en)
|
2011-09-26 |
2017-04-18 |
Saudi Arabian Oil Company |
Methods of evaluating rock properties while drilling using downhole acoustic sensors and telemetry system
|
US10551516B2
(en)
|
2011-09-26 |
2020-02-04 |
Saudi Arabian Oil Company |
Apparatus and methods of evaluating rock properties while drilling using acoustic sensors installed in the drilling fluid circulation system of a drilling rig
|
AT511991B1
(de)
*
|
2011-09-26 |
2013-09-15 |
Advanced Drilling Solutions Gmbh |
Verfahren und einrichtung zum versorgen wenigstens eines elektrischen verbrauchers eines bohrgestänges mit einer betriebsspannung
|
US9234974B2
(en)
|
2011-09-26 |
2016-01-12 |
Saudi Arabian Oil Company |
Apparatus for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
|
US9074467B2
(en)
|
2011-09-26 |
2015-07-07 |
Saudi Arabian Oil Company |
Methods for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
|
US9903974B2
(en)
|
2011-09-26 |
2018-02-27 |
Saudi Arabian Oil Company |
Apparatus, computer readable medium, and program code for evaluating rock properties while drilling using downhole acoustic sensors and telemetry system
|
US9447681B2
(en)
|
2011-09-26 |
2016-09-20 |
Saudi Arabian Oil Company |
Apparatus, program product, and methods of evaluating rock properties while drilling using downhole acoustic sensors and a downhole broadband transmitting system
|
US9243489B2
(en)
|
2011-11-11 |
2016-01-26 |
Intelliserv, Llc |
System and method for steering a relief well
|
GB2498831B
(en)
|
2011-11-20 |
2014-05-28 |
Schlumberger Holdings |
Directional drilling attitude hold controller
|
FR2984395B1
(fr)
*
|
2011-12-19 |
2013-12-27 |
Vallourec Mannesmann Oil & Gas |
Composant tubulaire pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant
|
US9274243B2
(en)
*
|
2012-01-05 |
2016-03-01 |
Merlin Technology, Inc. |
Advanced drill string communication system, components and methods
|
CN102425408B
(zh)
*
|
2012-01-06 |
2014-08-06 |
中国海洋石油总公司 |
一种井下单向锁定装置
|
US8833472B2
(en)
|
2012-04-10 |
2014-09-16 |
Halliburton Energy Services, Inc. |
Methods and apparatus for transmission of telemetry data
|
EP2855825B1
(de)
|
2012-05-30 |
2020-03-11 |
B&W Mud Motors, LLC |
Bohrsystem, vorspannungsmechanismus und verfahren zur direktionalen bohrung eines bohrlochs
|
US9157313B2
(en)
|
2012-06-01 |
2015-10-13 |
Intelliserv, Llc |
Systems and methods for detecting drillstring loads
|
US9494033B2
(en)
|
2012-06-22 |
2016-11-15 |
Intelliserv, Llc |
Apparatus and method for kick detection using acoustic sensors
|
US10407995B2
(en)
*
|
2012-07-05 |
2019-09-10 |
Sdg Llc |
Repetitive pulsed electric discharge drills including downhole formation evaluation
|
EP2875204B1
(de)
|
2012-07-20 |
2020-09-02 |
Merlin Technology Inc. |
Unterirdische operationen, system, kommunikation und assoziierte vorrichtung
|
US9000940B2
(en)
|
2012-08-23 |
2015-04-07 |
Merlin Technology, Inc. |
Drill string inground isolator in an MWD system and associated method
|
WO2014046670A1
(en)
*
|
2012-09-21 |
2014-03-27 |
Halliburton Energy Services |
Wireless communication for downhole tool strings
|
US9458711B2
(en)
|
2012-11-30 |
2016-10-04 |
XACT Downhole Telemerty, Inc. |
Downhole low rate linear repeater relay network timing system and method
|
WO2014100276A1
(en)
*
|
2012-12-19 |
2014-06-26 |
Exxonmobil Upstream Research Company |
Electro-acoustic transmission of data along a wellbore
|
US10100635B2
(en)
|
2012-12-19 |
2018-10-16 |
Exxonmobil Upstream Research Company |
Wired and wireless downhole telemetry using a logging tool
|
WO2014100262A1
(en)
|
2012-12-19 |
2014-06-26 |
Exxonmobil Upstream Research Company |
Telemetry for wireless electro-acoustical transmission of data along a wellbore
|
WO2014100272A1
(en)
|
2012-12-19 |
2014-06-26 |
Exxonmobil Upstream Research Company |
Apparatus and method for monitoring fluid flow in a wellbore using acoustic signals
|
WO2014100274A1
(en)
|
2012-12-19 |
2014-06-26 |
Exxonmobil Upstream Research Company |
Apparatus and method for detecting fracture geometry using acoustic telemetry
|
US20150300159A1
(en)
|
2012-12-19 |
2015-10-22 |
David A. Stiles |
Apparatus and Method for Evaluating Cement Integrity in a Wellbore Using Acoustic Telemetry
|
US9422802B2
(en)
|
2013-03-14 |
2016-08-23 |
Merlin Technology, Inc. |
Advanced drill string inground isolator housing in an MWD system and associated method
|
US10103846B2
(en)
|
2013-03-15 |
2018-10-16 |
Xact Downhole Telemetry, Inc. |
Robust telemetry repeater network system and method
|
US10240456B2
(en)
|
2013-03-15 |
2019-03-26 |
Merlin Technology, Inc. |
Inground device with advanced transmit power control and associated methods
|
US9425619B2
(en)
|
2013-03-15 |
2016-08-23 |
Merlin Technology, Inc. |
Advanced inground device power control and associated methods
|
USD843381S1
(en)
|
2013-07-15 |
2019-03-19 |
Aps Technology, Inc. |
Display screen or portion thereof with a graphical user interface for analyzing and presenting drilling data
|
US10472944B2
(en)
|
2013-09-25 |
2019-11-12 |
Aps Technology, Inc. |
Drilling system and associated system and method for monitoring, controlling, and predicting vibration in an underground drilling operation
|
WO2015080754A1
(en)
|
2013-11-26 |
2015-06-04 |
Exxonmobil Upstream Research Company |
Remotely actuated screenout relief valves and systems and methods including the same
|
CN104727809A
(zh)
*
|
2013-12-18 |
2015-06-24 |
北京航天斯达新技术装备公司 |
钻井钻头数据采集***及采集记录器
|
US9920581B2
(en)
|
2014-02-24 |
2018-03-20 |
Baker Hughes, A Ge Company, Llc |
Electromagnetic directional coupler wired pipe transmission device
|
US9664011B2
(en)
|
2014-05-27 |
2017-05-30 |
Baker Hughes Incorporated |
High-speed camera to monitor surface drilling dynamics and provide optical data link for receiving downhole data
|
WO2016014377A2
(en)
|
2014-07-23 |
2016-01-28 |
Schlumberger Canada Limited |
Tar mat formation prediction in late-charge reservoirs
|
US10392936B2
(en)
|
2014-07-23 |
2019-08-27 |
Schlumberger Technology Corporation |
Tar mat formation prediction in late-charge reservoirs
|
CA2955381C
(en)
|
2014-09-12 |
2022-03-22 |
Exxonmobil Upstream Research Company |
Discrete wellbore devices, hydrocarbon wells including a downhole communication network and the discrete wellbore devices and systems and methods including the same
|
US9964459B2
(en)
|
2014-11-03 |
2018-05-08 |
Quartzdyne, Inc. |
Pass-throughs for use with sensor assemblies, sensor assemblies including at least one pass-through and related methods
|
US10132156B2
(en)
|
2014-11-03 |
2018-11-20 |
Quartzdyne, Inc. |
Downhole distributed pressure sensor arrays, downhole pressure sensors, downhole distributed pressure sensor arrays including quartz resonator sensors, and related methods
|
US10018033B2
(en)
|
2014-11-03 |
2018-07-10 |
Quartzdyne, Inc. |
Downhole distributed sensor arrays for measuring at least one of pressure and temperature, downhole distributed sensor arrays including at least one weld joint, and methods of forming sensors arrays for downhole use including welding
|
US9863222B2
(en)
|
2015-01-19 |
2018-01-09 |
Exxonmobil Upstream Research Company |
System and method for monitoring fluid flow in a wellbore using acoustic telemetry
|
US10408047B2
(en)
|
2015-01-26 |
2019-09-10 |
Exxonmobil Upstream Research Company |
Real-time well surveillance using a wireless network and an in-wellbore tool
|
CA2971706C
(en)
|
2015-03-05 |
2022-05-31 |
Halliburton Energy Services, Inc. |
Method to optimize oilfield operations based on large and complex data sets
|
US10563461B2
(en)
|
2015-10-12 |
2020-02-18 |
Halliburton Energy Services, Inc. |
Hybrid drive for a fully rotating downhole tool
|
WO2017065961A1
(en)
*
|
2015-10-15 |
2017-04-20 |
Schlumberger Technology Corporation |
Intelligent drilling riser
|
US10167671B2
(en)
|
2016-01-22 |
2019-01-01 |
Weatherford Technology Holdings, Llc |
Power supply for a top drive
|
US10907412B2
(en)
|
2016-03-31 |
2021-02-02 |
Schlumberger Technology Corporation |
Equipment string communication and steering
|
US9683413B1
(en)
*
|
2016-04-29 |
2017-06-20 |
Cameron International Corporation |
Drilling riser joint with integrated multiplexer line
|
US10119343B2
(en)
|
2016-06-06 |
2018-11-06 |
Sanvean Technologies Llc |
Inductive coupling
|
US10287870B2
(en)
|
2016-06-22 |
2019-05-14 |
Baker Hughes, A Ge Company, Llc |
Drill pipe monitoring and lifetime prediction through simulation based on drilling information
|
CN106014384B
(zh)
*
|
2016-06-30 |
2023-03-24 |
中国石油天然气集团有限公司 |
井斜方位测量短节
|
US10526888B2
(en)
|
2016-08-30 |
2020-01-07 |
Exxonmobil Upstream Research Company |
Downhole multiphase flow sensing methods
|
US10344583B2
(en)
|
2016-08-30 |
2019-07-09 |
Exxonmobil Upstream Research Company |
Acoustic housing for tubulars
|
US10487647B2
(en)
|
2016-08-30 |
2019-11-26 |
Exxonmobil Upstream Research Company |
Hybrid downhole acoustic wireless network
|
US10590759B2
(en)
|
2016-08-30 |
2020-03-17 |
Exxonmobil Upstream Research Company |
Zonal isolation devices including sensing and wireless telemetry and methods of utilizing the same
|
US10465505B2
(en)
|
2016-08-30 |
2019-11-05 |
Exxonmobil Upstream Research Company |
Reservoir formation characterization using a downhole wireless network
|
US10697287B2
(en)
|
2016-08-30 |
2020-06-30 |
Exxonmobil Upstream Research Company |
Plunger lift monitoring via a downhole wireless network field
|
US10415376B2
(en)
|
2016-08-30 |
2019-09-17 |
Exxonmobil Upstream Research Company |
Dual transducer communications node for downhole acoustic wireless networks and method employing same
|
US10364669B2
(en)
|
2016-08-30 |
2019-07-30 |
Exxonmobil Upstream Research Company |
Methods of acoustically communicating and wells that utilize the methods
|
US9797234B1
(en)
*
|
2016-09-06 |
2017-10-24 |
Baker Hughes Incorporated |
Real time untorquing and over-torquing of drill string connections
|
US10954753B2
(en)
|
2017-02-28 |
2021-03-23 |
Weatherford Technology Holdings, Llc |
Tool coupler with rotating coupling method for top drive
|
US11131151B2
(en)
|
2017-03-02 |
2021-09-28 |
Weatherford Technology Holdings, Llc |
Tool coupler with sliding coupling members for top drive
|
US10711574B2
(en)
|
2017-05-26 |
2020-07-14 |
Weatherford Technology Holdings, Llc |
Interchangeable swivel combined multicoupler
|
US10544631B2
(en)
|
2017-06-19 |
2020-01-28 |
Weatherford Technology Holdings, Llc |
Combined multi-coupler for top drive
|
US10355403B2
(en)
|
2017-07-21 |
2019-07-16 |
Weatherford Technology Holdings, Llc |
Tool coupler for use with a top drive
|
US11441412B2
(en)
*
|
2017-10-11 |
2022-09-13 |
Weatherford Technology Holdings, Llc |
Tool coupler with data and signal transfer methods for top drive
|
US10771326B2
(en)
|
2017-10-13 |
2020-09-08 |
Exxonmobil Upstream Research Company |
Method and system for performing operations using communications
|
US11035226B2
(en)
|
2017-10-13 |
2021-06-15 |
Exxomobil Upstream Research Company |
Method and system for performing operations with communications
|
US10883363B2
(en)
|
2017-10-13 |
2021-01-05 |
Exxonmobil Upstream Research Company |
Method and system for performing communications using aliasing
|
CN111201727B
(zh)
|
2017-10-13 |
2021-09-03 |
埃克森美孚上游研究公司 |
利用混合通信网络进行烃操作的方法和***
|
US10837276B2
(en)
|
2017-10-13 |
2020-11-17 |
Exxonmobil Upstream Research Company |
Method and system for performing wireless ultrasonic communications along a drilling string
|
US10697288B2
(en)
|
2017-10-13 |
2020-06-30 |
Exxonmobil Upstream Research Company |
Dual transducer communications node including piezo pre-tensioning for acoustic wireless networks and method employing same
|
US10584535B1
(en)
|
2017-11-10 |
2020-03-10 |
William Thomas Carpenter |
Bi-directional well drilling
|
AU2018367388C1
(en)
|
2017-11-17 |
2022-04-14 |
Exxonmobil Upstream Research Company |
Method and system for performing wireless ultrasonic communications along tubular members
|
US10690794B2
(en)
|
2017-11-17 |
2020-06-23 |
Exxonmobil Upstream Research Company |
Method and system for performing operations using communications for a hydrocarbon system
|
US12000273B2
(en)
|
2017-11-17 |
2024-06-04 |
ExxonMobil Technology and Engineering Company |
Method and system for performing hydrocarbon operations using communications associated with completions
|
CN111448764B
(zh)
|
2017-12-13 |
2022-03-25 |
星光随钻测量公司 |
电磁遥测发射机装置和泥浆脉冲-电磁遥测组件
|
FR3076850B1
(fr)
|
2017-12-18 |
2022-04-01 |
Quartzdyne Inc |
Reseaux de capteurs distribues pour mesurer une ou plusieurs pressions et temperatures et methodes et assemblages associes
|
US10844708B2
(en)
|
2017-12-20 |
2020-11-24 |
Exxonmobil Upstream Research Company |
Energy efficient method of retrieving wireless networked sensor data
|
US11313215B2
(en)
|
2017-12-29 |
2022-04-26 |
Exxonmobil Upstream Research Company |
Methods and systems for monitoring and optimizing reservoir stimulation operations
|
US11156081B2
(en)
|
2017-12-29 |
2021-10-26 |
Exxonmobil Upstream Research Company |
Methods and systems for operating and maintaining a downhole wireless network
|
CN108119060A
(zh)
*
|
2018-01-08 |
2018-06-05 |
德州联合石油科技股份有限公司 |
一种螺杆钻具及其有线传输方法
|
AU2019217444C1
(en)
|
2018-02-08 |
2022-01-27 |
Exxonmobil Upstream Research Company |
Methods of network peer identification and self-organization using unique tonal signatures and wells that use the methods
|
US11268378B2
(en)
|
2018-02-09 |
2022-03-08 |
Exxonmobil Upstream Research Company |
Downhole wireless communication node and sensor/tools interface
|
US10954723B2
(en)
|
2018-04-20 |
2021-03-23 |
Geodynamics, Inc. |
Quick connect device and sub
|
CN109057780B
(zh)
*
|
2018-07-12 |
2024-04-05 |
东营市创元石油机械制造有限公司 |
石油钻井中带有线通讯的随钻电磁波测量***
|
US10794176B2
(en)
|
2018-08-05 |
2020-10-06 |
Erdos Miller, Inc. |
Drill string length measurement in measurement while drilling system
|
US11293280B2
(en)
|
2018-12-19 |
2022-04-05 |
Exxonmobil Upstream Research Company |
Method and system for monitoring post-stimulation operations through acoustic wireless sensor network
|
US11952886B2
(en)
|
2018-12-19 |
2024-04-09 |
ExxonMobil Technology and Engineering Company |
Method and system for monitoring sand production through acoustic wireless sensor network
|
NO20210794A1
(en)
|
2019-02-19 |
2021-06-15 |
Halliburton Energy Services Inc |
Multiple Downhole Systems Using Multifrequency
|
GB2603333B
(en)
|
2019-08-28 |
2023-05-10 |
Baker Hughes Oilfield Operations Llc |
Mud pulse transmission time delay correction
|
US11177619B2
(en)
|
2019-10-23 |
2021-11-16 |
Raytheon Company |
Techniques for high-speed communications through slip rings using modulation and multipath signaling
|
US11713677B2
(en)
*
|
2019-11-19 |
2023-08-01 |
Peck Tech Consulting Ltd. |
Systems, apparatuses, and methods for determining rock mass properties based on blasthole drill performance data including compensated blastability index (CBI)
|
US11473418B1
(en)
|
2020-01-22 |
2022-10-18 |
Vermeer Manufacturing Company |
Horizontal directional drilling system and method
|
US11808134B2
(en)
*
|
2020-03-30 |
2023-11-07 |
Schlumberger Technology Corporation |
Using high rate telemetry to improve drilling operations
|
US11795763B2
(en)
|
2020-06-11 |
2023-10-24 |
Schlumberger Technology Corporation |
Downhole tools having radially extendable elements
|
US11994023B2
(en)
|
2021-06-22 |
2024-05-28 |
Merlin Technology, Inc. |
Sonde with advanced battery power conservation and associated methods
|
CN113818820B
(zh)
*
|
2021-11-05 |
2024-03-22 |
重庆科技学院 |
一种随钻井漏漏失流量管外测量短节
|