CN106837226B - Loading and unloading device of marine riser fatigue monitoring device - Google Patents
Loading and unloading device of marine riser fatigue monitoring device Download PDFInfo
- Publication number
- CN106837226B CN106837226B CN201710127518.5A CN201710127518A CN106837226B CN 106837226 B CN106837226 B CN 106837226B CN 201710127518 A CN201710127518 A CN 201710127518A CN 106837226 B CN106837226 B CN 106837226B
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- clamping
- hydraulic cylinder
- monitoring device
- marine riser
- fatigue monitoring
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a loading and unloading device of a marine riser fatigue monitoring device, which can complete the quick loading and unloading of the marine riser fatigue monitoring device. The device comprises a device main part, the cylinder body of a force application hydraulic cylinder, place the device main part in a pair of arm lock pneumatic cylinder, the cylinder body tip of force application hydraulic cylinder passes through hydraulic line intercommunication, hydraulic line includes a first passageway and two second passageways, first channel connection is between the cylinder body of a pair of arm lock pneumatic cylinder, two second passageways are connected between the cylinder body of first passageway and force application pneumatic cylinder, set up the check valve in one of two second passageways, make the one-way inflow of liquid stream of force application pneumatic cylinder a pair of arm lock pneumatic cylinder, set up the stop valve in another in two second passageways, a pair of arm lock is located the both sides of force application pneumatic cylinder piston rod, each arm lock articulates respectively in the device main part, the one end of each arm lock stretches into in the device main part articulated with the piston rod of the arm lock pneumatic cylinder of corresponding side, the other end of each arm lock extends to outside the device main part.
Description
Technical Field
The invention relates to the field of fatigue monitoring of marine riser for deep sea drilling, in particular to a loading and unloading device of a marine riser fatigue monitoring device.
Background
The marine riser is important equipment in the deepwater drilling process, and is more prone to fatigue damage in a deepwater severe environment, so that fatigue monitoring on the drilling marine riser is particularly important. There are three main methods for fatigue monitoring of marine risers: the single machine monitoring, the wired real-time monitoring and the acoustic real-time monitoring all adopt different monitoring devices which are fixed on a water-insulated pipeline to measure parameters such as acceleration, angular velocity, inclination angle, ocean current, stress, strain and the like, thereby determining the fatigue response state of the water-insulated pipeline. The fatigue monitoring device for the marine riser, especially the single-machine monitoring device, needs to periodically acquire monitoring data from the ROV recovery equipment to the drilling platform, or replace the battery and other maintenance work. The handling of the monitoring device by the ROV requires that the handling device be easy to operate and achieve a quick handling without affecting its ability to secure the monitoring device. However, the loading and unloading device of the conventional monitoring device has the defects that the above requirements cannot be completely met, so that a new quick loading and unloading device needs to be invented.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a loading and unloading device of a marine riser fatigue monitoring device, which can complete the quick loading and unloading of the marine riser fatigue monitoring device.
The purpose of the invention is realized as follows:
a loading and unloading device of a marine riser fatigue monitoring device comprises a device main body of the loading and unloading device, wherein a loading and unloading mechanism is arranged on the device main body and comprises a pair of clamping arms, a pair of clamping arm hydraulic cylinders, a force application hydraulic cylinder, a monitoring device clamping ring, a hydraulic pipeline, a one-way valve, a stop valve and an operating rod, the monitoring device clamping ring is positioned on one side of the device main body and used for fixing the marine riser fatigue monitoring device, the device main body is arranged in a cylinder body of the force application hydraulic cylinder, a piston rod of the force application hydraulic cylinder extends to one side of the device main body, the pair of clamping arm hydraulic cylinders are arranged in the device main body and are positioned on two sides of the cylinder body of the force application hydraulic cylinder, the cylinder body end parts of the pair of clamping arm hydraulic cylinders and the force application hydraulic cylinder are communicated through the hydraulic pipeline, the hydraulic pipeline comprises a first channel and two second channels, the first channel is connected between the cylinder bodies of the pair of clamping arm hydraulic cylinders, the two second channels are connected between the first channel and the cylinder body of the force application hydraulic cylinder, the one-way valve is arranged in one of the two second channels, so that liquid flow of the force application hydraulic cylinder flows into the pair of clamping arm hydraulic cylinders in a one-way mode, the stop valve is arranged in the other one of the two second channels and is connected with the operating rod, the operating end of the operating rod extends out of the device main body and is used for controlling the opening and closing of the stop valve, the pair of clamping arms are positioned on two sides of a piston rod of the force application hydraulic cylinder, the clamping arms are respectively hinged to the device main body, one end of each clamping arm extends into the device main body and is hinged to the piston rod of the clamping arm hydraulic cylinder on the corresponding side, the other end of each clamping arm extends out of the device main body, and the pair of clamping arms are used for fixing the loading and unloading device on a riser pipeline;
when the marine riser fatigue monitoring device is installed, the marine riser fatigue monitoring device is fixed through a monitoring device clamping ring, then the clamping arm is clamped on a marine riser pipeline, the stop valve is in a closed state, pressure is applied to a piston rod of the force application hydraulic cylinder, hydraulic oil in the force application hydraulic cylinder flows to the clamping arm hydraulic cylinder through a hydraulic pipeline to push a piston rod of the clamping arm hydraulic cylinder, the piston rod of the clamping arm hydraulic cylinder pushes the inner end of the clamping arm, the outer end of the clamping arm clamps the marine riser pipeline, and the loading and unloading device is fixed on the marine riser pipeline; when the marine riser fatigue monitoring device is disassembled, the stop valve is opened through the operating rod, so that hydraulic oil in the clamping arm hydraulic cylinder can flow into the force application hydraulic cylinder through the hydraulic pipeline, the pair of clamping arms are restored to the movable state, and then the loading and unloading device can be disassembled from the marine riser pipeline by pulling the loading and unloading device outwards.
Preferably, arc bayonets are respectively arranged on the pair of clamping arms and used for being attached to the marine riser pipeline during clamping.
Preferably, the end of the piston rod of the force application hydraulic cylinder is provided with a compression rod perpendicular to the axis of the piston rod.
Preferably, the device main body is provided with a clamping arm supporting block, and the clamping arm supporting block is hinged with the clamping arm through a connecting pin.
Preferably, an operating rod movable inner cavity is arranged in the device main body and used for providing a movement space for the operating rod.
Preferably, a clamping arm movable inner cavity is arranged in the device main body and used for providing a movement space for the clamping arm.
Preferably, the handling device is operated by an ROV.
In order to prevent the monitoring device from interfering with other structures, it is preferable that the piston rod of the biasing cylinder and the monitoring device clamp ring are located on the opposite side of the device body.
In order to improve the clamping effect of the handling device, the installation inclination of the device is avoided, and the fatigue measurement error of the marine riser is reduced. Preferably, the device main body is provided with two assembling and disassembling mechanisms for fixing the same marine riser fatigue monitoring device and clamping the same marine riser pipeline.
For simplifying the structure to and be convenient for control the switching of stop valve, preferably, a stop valve action pole is shared to two loading and unloading mechanisms, stop valve action pole is including extending to the outer mobile jib of device main part, two parallel branches are connected to the inner of mobile jib, two parallel branches are connected with two loading and unloading mechanisms's stop valve respectively.
Due to the adoption of the technical scheme, the quick assembling and disassembling of the marine riser fatigue monitoring device can be completed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of FIG. 1;
fig. 3 is a schematic structural view of the operation lever.
Reference numerals
In the attached drawing, 1, a clamping arm, 2, a pressure rod, 3, a piston rod of a force application hydraulic cylinder, 4, a connecting pin, 5, a device body, 6, an operating rod movable inner cavity, 7, an operating rod, 8, a clamping arm movable inner cavity, 9, a clamping arm hydraulic cylinder, 10, a stop valve, 11, a monitoring device clamping ring, 12, a clamping arm supporting block, 13, a force application hydraulic cylinder, 14, a connecting pin, 15, a clamping arm hydraulic cylinder, 16, a one-way valve, 17, a hydraulic pipeline, 18, a bolt hole and 19, form a movable window.
Detailed Description
The utility model provides a marine riser fatigue monitoring devices's loading and unloading device, includes loading and unloading device's device main part, be equipped with loading and unloading mechanism in the device main part, loading and unloading mechanism includes a pair of arm lock, a pair of arm lock pneumatic cylinder and application of force pneumatic cylinder, monitoring devices clamp ring, hydraulic line, check valve, stop valve, action bars, the monitoring devices clamp ring is located one side of device main part for fixed marine riser fatigue monitoring devices, the monitoring devices clamp ring is the major arc, and both ends are equipped with the clamping part respectively, set up the bolt hole on the clamping part.
The device body is arranged in the cylinder body of the force application hydraulic cylinder, the piston rod of the force application hydraulic cylinder extends to one side of the device body, and the piston rod of the force application hydraulic cylinder and the monitoring device clamping ring are located on the opposite side of the device body. The end part of the piston rod of the force application hydraulic cylinder is provided with a pressure rod vertical to the axis of the piston rod.
The pair of clamping arm hydraulic cylinders are arranged in the device main body and positioned at two sides of the force application hydraulic cylinder body, the cylinder body end parts of the pair of clamping arm hydraulic cylinders and the force application hydraulic cylinder are communicated through the hydraulic pipeline, the hydraulic pipeline comprises a first channel and two second channels, the first channel is connected between the cylinder bodies of the pair of clamping arm hydraulic cylinders, the two second channels are connected between the first channel and the cylinder body of the force application hydraulic cylinder, the check valve is arranged in one of the two second channels, so that liquid flow of the force application hydraulic cylinder flows into the pair of clamping arm hydraulic cylinders in a one-way mode, the stop valve is arranged in the other of the two second channels, the stop valve is connected with the operating rod, the operating end of the operating rod extends out of the device main body and is used for controlling the stop valve to be opened and closed, and an operating rod movable inner cavity is arranged in the device main body and is used for providing a movement space of the operating rod.
The pair of clamping arms are positioned on two sides of the piston rod of the force application hydraulic cylinder, each clamping arm is hinged to the device main body, and a clamping arm supporting block is arranged on the device main body and is hinged to the clamping arm through a connecting pin. One end of each clamping arm extends into the device body and is hinged with a piston rod of the clamping arm hydraulic cylinder on the corresponding side, the other end of each clamping arm extends out of the device body, and a clamping arm movable inner cavity is arranged in the device body and used for providing a movement space for the clamping arms. The pair of clamping arms are used for fixing the loading and unloading device on a riser pipeline; and the pair of clamping arms are respectively provided with an arc-shaped bayonet for fitting the marine riser pipeline during clamping. The piston is made of soft materials, and a piston rod of the clamping arm hydraulic cylinder can swing relative to the piston.
The device main body is provided with two loading and unloading mechanisms for fixing the same marine riser fatigue monitoring device and clamping the same marine riser pipeline. The two loading and unloading mechanisms share one stop valve operating rod, the stop valve operating rod comprises a main rod extending out of the device main body, two parallel branch rods are connected to the inner end of the main rod, and the two parallel branch rods are respectively connected with stop valves of the two loading and unloading mechanisms. The device main body is provided with a movable window of the main rod of the operating rod.
The quick assembling and disassembling mechanism comprises the following working processes:
when installing riser fatigue monitoring devices, through the fatigue monitoring devices of fixed riser of monitoring devices clamp ring, then ROV promotes handling device, makes the arm lock press from both sides on the riser pipeline, the stop valve is in the closed condition, and ROV exerts pressure to the depression bar on the application of force pneumatic cylinder piston rod, makes the hydraulic oil in the application of force pneumatic cylinder flow to the piston rod that the arm lock pneumatic cylinder promoted the arm lock pneumatic cylinder through hydraulic line, and the piston rod of arm lock pneumatic cylinder promotes the inner of arm lock, makes the outer end of arm lock press from both sides tight riser pipeline, makes handling device fix on the riser pipeline.
When the marine riser fatigue monitoring device is disassembled, the ROV opens the stop valve through the operating rod, so that hydraulic oil in the clamping arm hydraulic cylinder can flow into the force application hydraulic cylinder through the hydraulic pipeline, the pair of clamping arms are restored to the movable state, and then the ROV pulls the loading and unloading device outwards to unload the loading and unloading device from the marine riser pipeline.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a marine riser fatigue monitoring devices's handling device which characterized in that: the hydraulic pipe line comprises a first channel and two second channels, the first channel is connected between the cylinders of the pair of clamping hydraulic cylinders, the two second channels are connected between the first channel and the cylinders of the pair of clamping hydraulic cylinders, the one-way valve is arranged in one of the two second channels, the liquid flow of the pair of clamping hydraulic cylinders flows into the pair of clamping hydraulic cylinders in a one-way manner, the stop valve is arranged in the other one of the two second channels, the stop valve is connected with the operating rod, the operating end of the operating rod extends out of the main body of the operating device and is used for controlling the opening and closing of the main body of the clamping hydraulic cylinder, the stop valve is positioned at the two sides of the clamping hydraulic cylinders, and the other end of the pair of clamping hydraulic cylinders is hinged to the other end of the main body of the clamping hydraulic cylinder and is used for fixing the main body of the clamping hydraulic cylinder to the corresponding clamping hydraulic cylinder;
when the marine riser fatigue monitoring device is installed, the marine riser fatigue monitoring device is fixed through a monitoring device clamping ring, then the clamping arm is clamped on a marine riser pipeline, the stop valve is in a closed state, pressure is applied to a piston rod of the force application hydraulic cylinder, hydraulic oil in the force application hydraulic cylinder flows to the clamping arm hydraulic cylinder through a hydraulic pipeline to push a piston rod of the clamping arm hydraulic cylinder, the piston rod of the clamping arm hydraulic cylinder pushes the inner end of the clamping arm, the outer end of the clamping arm clamps the marine riser pipeline, and the loading and unloading device is fixed on the marine riser pipeline; when the marine riser fatigue monitoring device is disassembled, the stop valve is opened through the operating rod, so that hydraulic oil in the clamping arm hydraulic cylinder can flow into the force application hydraulic cylinder from the hydraulic pipeline, the pair of clamping arms are restored to the movable state, and then the assembling and disassembling device is pulled outwards to be capable of being disassembled from the marine riser pipeline;
the pair of clamping arms are respectively provided with an arc bayonet for being attached to a marine riser pipeline during clamping;
and a pressure rod vertical to the axis of the piston rod of the force application hydraulic cylinder is arranged at the end part of the piston rod of the force application hydraulic cylinder.
2. The handling device of a riser fatigue monitoring device of claim 1, wherein: the device main part is provided with a clamping arm supporting block, and the clamping arm supporting block is hinged with a clamping arm through a connecting pin.
3. The handling device of a riser fatigue monitoring device of claim 1, wherein: the device main body is internally provided with an operating rod movable inner cavity for providing a movement space of the operating rod.
4. The handling device of a riser fatigue monitoring device of claim 1, wherein: the device main body is internally provided with a clamping arm movable inner cavity for providing a movement space of the clamping arm.
5. The handling device of a riser fatigue monitoring device of claim 1, wherein: the handling device is operated by an ROV.
6. The handling device of a riser fatigue monitoring device of claim 1, wherein: and a piston rod of the force application hydraulic cylinder and the monitoring device clamping ring are positioned on the opposite sides of the device main body.
7. The handling device of a riser fatigue monitoring device according to any of claims 1 to 6, wherein: the device main body is provided with two loading and unloading mechanisms for fixing the same marine riser fatigue monitoring device and clamping the same marine riser pipeline.
8. The handling device of a riser fatigue monitoring device of claim 7, wherein: two loading and unloading mechanisms share a stop valve action pole, the stop valve action pole is including extending to the outer mobile jib of device main part, two parallel branches are connected to the inner of mobile jib, two parallel branches are connected with two loading and unloading mechanisms's stop valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127518.5A CN106837226B (en) | 2017-03-06 | 2017-03-06 | Loading and unloading device of marine riser fatigue monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127518.5A CN106837226B (en) | 2017-03-06 | 2017-03-06 | Loading and unloading device of marine riser fatigue monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837226A CN106837226A (en) | 2017-06-13 |
| CN106837226B true CN106837226B (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710127518.5A Active CN106837226B (en) | 2017-03-06 | 2017-03-06 | Loading and unloading device of marine riser fatigue monitoring device |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116015A (en) * | 1977-01-03 | 1978-09-26 | Hydrotech International, Inc. | Method and apparatus for remotely attaching a riser pipe to an offshore structure |
| US4705331A (en) * | 1985-01-11 | 1987-11-10 | Wayne Graham & Associates International, Inc. | Subsea clamping apparatus |
| JPH06221143A (en) * | 1992-06-13 | 1994-08-09 | Aft Atlas Fahrzeugtechnik Gmbh | Monitor for detecting leakage of exhaust conduit |
| EP1053823A2 (en) * | 1999-05-08 | 2000-11-22 | Karl Göckel | Device for holding a workpiece |
| CN102162769A (en) * | 2011-01-05 | 2011-08-24 | 中国海洋石油总公司 | Fatigue multi-point wireless monitoring system of marine riser |
| CN102661125A (en) * | 2012-04-27 | 2012-09-12 | 宝鸡石油机械有限责任公司 | Hydraulic integral-type tensioning ring of water separation tube |
| CN202442878U (en) * | 2012-03-02 | 2012-09-19 | 重庆科技学院 | Indoor experimental apparatus for simulating interaction of deep-water drilling underwater casing string and seabed shallow soft soil |
| CN102672070A (en) * | 2011-03-14 | 2012-09-19 | 辽阳石化机械设计制造有限公司 | Hydraulic clamping head for bending push machine |
| CN204002660U (en) * | 2014-08-07 | 2014-12-10 | 中国海洋石油总公司 | A kind of suspension arrangement for marine riser |
| CN204613259U (en) * | 2015-05-18 | 2015-09-02 | 广西大学 | A kind of hydraulic clamp high-altitude wiring proving installation |
| WO2016001630A2 (en) * | 2014-06-30 | 2016-01-07 | Interventek Subsea Engineering Limited | Subsea landing string assembly |
| CN105649560A (en) * | 2016-03-31 | 2016-06-08 | 中国石油大学(华东) | Marine floating type drilling riser flexible hanger |
| CN106194062A (en) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | Clamp are picked up in a kind of steel oilfield tubulars transhipment |
| CN206503579U (en) * | 2017-03-06 | 2017-09-19 | 重庆科技学院 | The handler of marine riser fatigue monitoring device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU844262A1 (en) * | 1979-08-17 | 1981-07-07 | Фрунзенский политехнический институт | Manipulator gripper |
| CN2182259Y (en) * | 1993-03-01 | 1994-11-09 | 张洪昌 | Gripper block for pipe and cable |
| US8757269B2 (en) * | 2010-07-22 | 2014-06-24 | Oceaneering International, Inc. | Clamp for a well tubular |
| MY164043A (en) * | 2011-02-10 | 2017-11-15 | Aker Subsea As | Connector emergency release tool |
-
2017
- 2017-03-06 CN CN201710127518.5A patent/CN106837226B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116015A (en) * | 1977-01-03 | 1978-09-26 | Hydrotech International, Inc. | Method and apparatus for remotely attaching a riser pipe to an offshore structure |
| US4705331A (en) * | 1985-01-11 | 1987-11-10 | Wayne Graham & Associates International, Inc. | Subsea clamping apparatus |
| JPH06221143A (en) * | 1992-06-13 | 1994-08-09 | Aft Atlas Fahrzeugtechnik Gmbh | Monitor for detecting leakage of exhaust conduit |
| EP1053823A2 (en) * | 1999-05-08 | 2000-11-22 | Karl Göckel | Device for holding a workpiece |
| CN102162769A (en) * | 2011-01-05 | 2011-08-24 | 中国海洋石油总公司 | Fatigue multi-point wireless monitoring system of marine riser |
| CN102672070A (en) * | 2011-03-14 | 2012-09-19 | 辽阳石化机械设计制造有限公司 | Hydraulic clamping head for bending push machine |
| CN202442878U (en) * | 2012-03-02 | 2012-09-19 | 重庆科技学院 | Indoor experimental apparatus for simulating interaction of deep-water drilling underwater casing string and seabed shallow soft soil |
| CN102661125A (en) * | 2012-04-27 | 2012-09-12 | 宝鸡石油机械有限责任公司 | Hydraulic integral-type tensioning ring of water separation tube |
| WO2016001630A2 (en) * | 2014-06-30 | 2016-01-07 | Interventek Subsea Engineering Limited | Subsea landing string assembly |
| CN204002660U (en) * | 2014-08-07 | 2014-12-10 | 中国海洋石油总公司 | A kind of suspension arrangement for marine riser |
| CN204613259U (en) * | 2015-05-18 | 2015-09-02 | 广西大学 | A kind of hydraulic clamp high-altitude wiring proving installation |
| CN105649560A (en) * | 2016-03-31 | 2016-06-08 | 中国石油大学(华东) | Marine floating type drilling riser flexible hanger |
| CN106194062A (en) * | 2016-09-18 | 2016-12-07 | 重庆科技学院 | Clamp are picked up in a kind of steel oilfield tubulars transhipment |
| CN206503579U (en) * | 2017-03-06 | 2017-09-19 | 重庆科技学院 | The handler of marine riser fatigue monitoring device |
Non-Patent Citations (5)
| Title |
|---|
| Experimental study on response performance of VIV of a flexible riser with helical strakes;Gao, Y等;《CHINA OCEAN ENGINEERING》;20151031;第29卷(第05期);全文 * |
| 海洋钻井隔水管处理系统技术现状与关键技术;张茄新等;《石油机械》;20141110(第11期);全文 * |
| 深水水上防喷器钻井技术的水下断开系统及应用;韩垚堃等;《石油矿场机械》;20160225;第45卷(第02期);全文 * |
| 深水钻井隔水管系统疲劳可靠性分析;时米波;《中国优秀硕士学位论文全文库工程科技Ⅰ辑》;20090615(第2009（06）期);全文 * |
| 连续管定向工具工作原理及工具面角度调整分析;李猛等;《钻采工艺》;20170125(第01期);全文 * |
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