CN108180012A - Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method - Google Patents

Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method Download PDF

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Publication number
CN108180012A
CN108180012A CN201711390341.4A CN201711390341A CN108180012A CN 108180012 A CN108180012 A CN 108180012A CN 201711390341 A CN201711390341 A CN 201711390341A CN 108180012 A CN108180012 A CN 108180012A
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CN
China
Prior art keywords
pressure
main body
short circuit
head main
union
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Pending
Application number
CN201711390341.4A
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Chinese (zh)
Inventor
黄明道
吴振
王世文
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Individual
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Individual
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Priority to CN201711390341.4A priority Critical patent/CN108180012A/en
Publication of CN108180012A publication Critical patent/CN108180012A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/06Measuring temperature or pressure
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/06Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • E21B33/064Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers specially adapted for underwater well heads
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/001Survey of boreholes or wells for underwater installation

Abstract

The invention discloses a kind of deepwater drilling platform IBOP valves and preventer joint pressure test tools, including whole short circuit head main body (1) in a tubular form, short circuit head main body upper end, lower end is separately provided for the top connection being connected with drilling rod (2) and lower contact (3), the blind plate (4) that tube chamber is divided into epicoele and cavity of resorption is provided in the tube chamber of short circuit head main body, the external wall of upper portion of short circuit head main body (1) is provided with the upper high pressure union (5) connected with epicoele, the lower part outer wall of short circuit head main body (1) is provided with the lower high pressure union (6) connected with cavity of resorption, upper high pressure union (5) with ground pressure testing pipeline for being connected, lower high pressure union (6) is connected for returning out pipeline with ground pressure release.The joint pressure test tool of the present invention can be carried out at the same time top drive IBOP valves and subsea blowout preventer pressure testing operation, to improve operation timeliness, reduce operating cost.The invention also discloses a kind of methods that IBOP valves and preventer joint pressure testing are carried out using above-mentioned pressure test tool.

Description

Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method
Technical field
The invention belongs to the technical fields of offshore oil exploitation equipment, and in particular to a kind of deepwater drilling platform IBOP valves and Preventer combines pressure test tool and pressure-measuring method.
Background technology
In the arrival and sustainable development in " low oil price " epoch, and under the background of offshore oil drilling high cost, sea is realized " cost efficiency " work of foreign petroleum drilling operation is extremely urgent.At present, offshore oil deepwater drilling operation synthesis Fei Gao Up to 7,000,000 yuan/day, average nearly 300,000 yuans per hour.During existing offshore oil drilling, IBOP valves are driven on top And during subsea blowout preventer pressure testing, it is divided into two processes and carries out, i.e., pressure testing is first carried out to subsea blowout preventer casing, then IBOP is driven to top Valve carries out pressure testing, takes nearly 4-6 hours, and operation timeliness is low, ten thousand yuan of the nearly 120-180 of expense, and operating cost is high.
Above-mentioned discussion content purpose is may be each with the present invention for being described below and/or advocating to reader's introduction The various aspects of a relevant technology of aspect, it is believed that the discussion content contributes to as reader with background's information, to be conducive to more Understand various aspects of the invention well, it is therefore to be understood that be that these discussions are read with this angle, it is existing without being to recognize that Technology.
Invention content
A kind of deepwater drilling platform IBOP valves and anti-are provided it is an object of the invention to avoid of the prior art insufficient Spray apparatus combines pressure test tool and pressure-measuring method, can allow top drive IBOP valves and subsea blowout preventer pressure testing operation simultaneously into Row to improve operation timeliness, reduces operating cost.
The purpose of the present invention is achieved through the following technical solutions:
On the one hand, the present invention provides a kind of deepwater drilling platform IBOP valves and preventer joint pressure test tool, including entirety Short circuit head main body in a tubular form, short circuit head main body upper end, lower end be separately provided for the top connection being connected with drilling rod and under Connector, is provided with the blind plate that tube chamber is divided into epicoele and cavity of resorption in the tube chamber of the short circuit head main body, short circuit head main body it is upper Portion's outer wall is provided with the upper high pressure union connected with epicoele, and the lower part outer wall of short circuit head main body is provided with the lower height connected with cavity of resorption Union is pressed, for being connected with ground pressure testing pipeline, lower high pressure union is used to return out pipeline with ground pressure release the upper high pressure union It is connected.
As a further improvement, the top connection is female thread, and the lower contact is pin thread.
As a further improvement, the blind plate is structure as a whole with short circuit head main body.
As a further improvement, the blind plate thickness is more than drill pipe thickness.
As a further improvement, the outer diameter 5.875in of the short circuit head main body, internal diameter 5.153in, length 1200mm; Top connection button-type is VX-5-7/8 ";Lower contact button-type is VX-5-7/8 ".
Deepwater drilling platform IBOP valves and preventer provided by the invention combine pressure test tool, including whole in a tubular form short Adapter body, short circuit head main body upper end, lower end are separately provided for the top connection and lower contact that are connected with drilling rod, described short The blind plate that tube chamber is divided into epicoele and cavity of resorption is provided in the tube chamber of adapter body, the external wall of upper portion of short circuit head main body is provided with The upper high pressure union connected with epicoele, the lower part outer wall of short circuit head main body is provided with the lower high pressure union connected with cavity of resorption, described For being connected with ground pressure testing pipeline, lower high pressure union is connected upper high pressure union for returning out pipeline with ground pressure release.The present invention Tubing string is divided into two channels by the blind plate of short circuit head main body, can be realized by upper high pressure union, lower high pressure union and be suppressed and see Examine function;Top connection and lower contact can directly be connected with tubing string, without variable buckle;Top can be made to drive IBOP valves and subsea blowout preventer Pressure testing operation is carried out at the same time, and operation timeliness doubles, and single pressure testing operating cost reduces by 600,000 yuan or so.
On the other hand, the present invention provides a kind of deepwater drilling platform IBOP valves and preventer joint pressure-measuring method, by upper institute The joint pressure test tool stated is mounted on top and drives on the pressure testing pipe string of IBOP valves lower part, and upper high pressure union is interviewed with driving IBOP valves with top Pressure pipeline is connected, and lower high pressure union returns out pipeline with ground pressure release and is connected;The main pressure testing equipment of platform is by pressure testing flow to underwater It is abnormal to observe pressure testing by lower high pressure union for blowout preventer pressure-testing;Meanwhile pressure testing equipment is assisted to be driven by upper high pressure union to top IBOP valves carry out pressure testing, and two groups of pressure testing operations are carried out at the same time.
The present invention provides pressure-measuring method using above-mentioned pressure test tool, and top can be made to drive IBOP valves and subsea blowout preventer pressure testing work Industry is carried out at the same time, and is substantially increased the operation timeliness that IBOP valves and subsea blowout preventer joint pressure testing are driven in top, is reduced operating cost.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structure diagram of deepwater drilling platform IBOP valves and preventer joint pressure test tool.
Fig. 2 is the process flow diagram of deepwater drilling platform IBOP valves and preventer joint pressure-measuring method.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to which those skilled in the art is made to more fully understand technical scheme of the present invention Applying example, the present invention is described in further detail, it should be noted that in the absence of conflict, embodiments herein and Feature in embodiment can be combined with each other.
As shown in Figure 1, a kind of deepwater drilling platform IBOP valves provided in an embodiment of the present invention and preventer joint pressure testing work Tool, including whole short circuit head main body 1 in a tubular form, the outer diameter 5.875in of the short circuit head main body 1, internal diameter 5.153in, length 1200mm.1 upper end of short circuit head main body, lower end are separately provided for the top connection being connected with drilling rod 2 and lower contact 3, described Top connection 2 is female thread, and the lower contact 3 is pin thread, and 2 button-type of top connection is VX-5-7/8 ";3 button-type of lower contact is VX-5-7/ 8 ", top connection, lower contact can directly be connected with tubing string, without variable buckle.It is provided in the tube chamber of the short circuit head main body 1 by pipe Chamber is divided into the blind plate 4 of epicoele and cavity of resorption, and tubing string is divided into two channels by blind plate, can realize and suppress and overview function, described Blind plate 4 is structure as a whole with short circuit head main body 1, and material can be consistent with drilling rod material, and 4 thickness of blind plate is more than drilling rod wall Thickness can meet top and drive IBOP valves and subsea blowout preventer pressure testing requirement.The external wall of upper portion of short circuit head main body 1 is provided with to be connected with epicoele Upper high pressure union 5, the lower part outer wall of short circuit head main body 1 is provided with the lower high pressure union 6 connected with cavity of resorption, the upper high pressure by For being connected with ground pressure testing pipeline, lower high pressure union 6 is connected nonyl 5 for returning out pipeline with ground pressure release.
During driving IBOP valves and subsea blowout preventer pressure testing on top, pressure test tool of the invention realizes it by following approach Function:In preventer and casing pressure test, which is directly installed on the pressure testing pipe string of IBOP valves lower part, upper high pressure union with Top drives IBOP valve pressure testing pipelines and is connected, and lower high pressure union returns out pipeline with pressure release and is connected;The main pressure testing equipment of platform passes through pressure testing stream It is abnormal can to observe pressure testing to subsea blowout preventer pressure testing by lower high pressure union for journey;Meanwhile assist (spare) pressure testing equipment can be with IBOP valves are driven to top by upper high pressure union and carry out pressure testing.Two groups of pressure testing operations are carried out at the same time, and are realized and are driven IBOP valves and water to top The pressure testing simultaneously of lower preventer to improve pressure testing timeliness, reduces operating cost.
As shown in Fig. 2, the embodiment of the present invention provides a kind of deepwater drilling platform IBOP valves and preventer joint pressure-measuring method, The upper joint pressure test tool is mounted on item to drive on the 11 pressure testing pipe string 12 of 7 lower part of top drive IBOP valves, pressure testing pipe string 12 Top sets compensator 13, lower part setting preventer 10, in addition preventer 10 is also associated with BOP pressure testing pipes string 4, upper high pressure union 5 drive IBOP valves ground pressure testing pipeline 8 with top is connected, and lower high pressure union 6 returns out pipeline 9 with ground pressure release and is connected;The main pressure testing of platform Equipment, to 10 pressure testing of subsea blowout preventer, it is abnormal to observe pressure testing by pressure testing flow by lower high pressure union 6;Meanwhile assist pressure testing Equipment drives IBOP valves 7 to top by upper high pressure union 5 and carries out pressure testing, and two groups of pressure testing operations are carried out at the same time.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with Implemented using other different from other modes described here, it is thus impossible to be interpreted as limiting the scope of the invention.
In short, although the present invention lists above-mentioned preferred embodiment, although it should be noted that those skilled in the art Member can carry out various change and remodeling, unless such variation and remodeling deviate from the scope of the present invention, otherwise should all wrap It includes within the scope of the present invention.

Claims (6)

1. a kind of deepwater drilling platform IBOP valves and preventer joint pressure test tool, it is characterised in that:Including entirety in a tubular form Short circuit head main body (1), short circuit head main body (1) upper end, lower end be separately provided for the top connection being connected with drilling rod (2) and under Connector (3) is provided with the blind plate (4) that tube chamber is divided into epicoele and cavity of resorption, short circuit head in the tube chamber of the short circuit head main body (1) The external wall of upper portion of main body (1) is provided with the upper high pressure union (5) connected with epicoele, the lower part outer wall setting of short circuit head main body (1) Have the lower high pressure union (6) connected with cavity of resorption, the upper high pressure union (5) for being connected with ground pressure testing pipeline, lower high pressure by Nonyl (6) is connected for returning out pipeline with ground pressure release.
2. deepwater drilling platform IBOP valves according to claim 1 and preventer joint pressure test tool, it is characterised in that:Institute Top connection (2) is stated as female thread, the lower contact (3) is pin thread.
3. deepwater drilling platform IBOP valves according to claim 1 and preventer joint pressure test tool, it is characterised in that:Institute Blind plate (4) is stated to be structure as a whole with short circuit head main body (1).
4. deepwater drilling platform IBOP valves according to claim 3 and preventer joint pressure test tool, it is characterised in that:Institute Blind plate (4) thickness is stated more than drill pipe thickness.
5. deepwater drilling platform IBOP valves according to any one of claim 1 to 4 and preventer joint pressure test tool and Pressure-measuring method, it is characterised in that:The outer diameter 5.875in, internal diameter 5.153in, length 1200mm of the short circuit head main body (1);On Connector (2) button-type is VX-5-7/8 ";Lower contact (3) button-type is VX-5-7/8 ".
6. a kind of deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method, it is characterised in that:It will be such as power Profit requires the joint pressure test tool described in any one of 1 to 5 to be mounted on the pressure testing pipe string of top drive IBOP valves (7) lower part, upper height Pressure union (5) drives IBOP valves ground pressure testing pipeline (8) with top and is connected, and lower high pressure union (6) returns out pipeline (9) phase with ground pressure release Even;The main pressure testing equipment of platform, to subsea blowout preventer (10) pressure testing, it is different to observe pressure testing by pressure testing flow by lower high pressure union (6) Often;Meanwhile pressure testing equipment is assisted to drive IBOP valves (7) to top by upper high pressure union (5) and carries out pressure testing, two groups of pressure testing operations are simultaneously It carries out.
CN201711390341.4A 2017-12-21 2017-12-21 Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method Pending CN108180012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711390341.4A CN108180012A (en) 2017-12-21 2017-12-21 Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method

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Application Number Priority Date Filing Date Title
CN201711390341.4A CN108180012A (en) 2017-12-21 2017-12-21 Deepwater drilling platform IBOP valves and preventer joint pressure test tool and pressure-measuring method

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Publication Number Publication Date
CN108180012A true CN108180012A (en) 2018-06-19

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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1203159A (en) * 1982-09-16 1986-04-15 Bolie C. Williams, Iii Ram-type blowout preventer
US20030121666A1 (en) * 2000-05-16 2003-07-03 Boyd Anthony R. Method and apparatus for controlling well pressure while undergoing subsea wireline operations
US20070039759A1 (en) * 2005-08-22 2007-02-22 Foley Lawrence E Jr Mud saver valve
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* Cited by examiner, † Cited by third party
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CA1203159A (en) * 1982-09-16 1986-04-15 Bolie C. Williams, Iii Ram-type blowout preventer
US20030121666A1 (en) * 2000-05-16 2003-07-03 Boyd Anthony R. Method and apparatus for controlling well pressure while undergoing subsea wireline operations
US20090314544A1 (en) * 2003-10-30 2009-12-24 Gavin Humphreys Well Drilling and Production Using a Surface Blowout Preventer
US20080251251A1 (en) * 2004-03-12 2008-10-16 Stinger Wellhead Protection, Inc. Wellhead and control stack pressure test plug tool
US20070039759A1 (en) * 2005-08-22 2007-02-22 Foley Lawrence E Jr Mud saver valve
CN201037416Y (en) * 2007-06-11 2008-03-19 四川石油管理局川西钻探公司 Mine mouth pressure testing device
CN201335760Y (en) * 2009-01-05 2009-10-28 王富涛 Pressure testing and pressure increasing device of blowout preventer
CN201539211U (en) * 2009-04-10 2010-08-04 中国石油集团海洋工程有限公司 Double-rig drilling system
CN201622177U (en) * 2009-12-22 2010-11-03 丰士俊 Pressure testing device of blowout preventer
CN201635703U (en) * 2010-03-25 2010-11-17 陕西陆油石油自动化设备有限公司 Sleeve pipe pressure test plugging device
CN102373888A (en) * 2010-08-06 2012-03-14 安东石油技术(集团)有限公司 Sleeve floating coupling and well cementing method
CN107002479A (en) * 2014-10-17 2017-08-01 海德里尔美国配送有限责任公司 High pressure subsea blowout preventer system
EP3187681A1 (en) * 2015-12-30 2017-07-05 Cameron International Corporation Shearing sequence for a blowout preventer
CN206477818U (en) * 2017-03-01 2017-09-08 中国石油化工股份有限公司 Wellhead blowout preventor blocks pressure testing device
CN206647067U (en) * 2017-03-09 2017-11-17 中国海洋石油总公司 A kind of inner equilibrium metal sealing washing pipe assembly of top-drive device
CN107489392A (en) * 2017-09-14 2017-12-19 中国船舶工业集团公司第七0八研究所 A kind of double subsea blow out preventer group processing systems and its application method

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