CN102564702B - Device and system for testing packer in formation tester - Google Patents
Device and system for testing packer in formation tester Download PDFInfo
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- CN102564702B CN102564702B CN201210014683.7A CN201210014683A CN102564702B CN 102564702 B CN102564702 B CN 102564702B CN 201210014683 A CN201210014683 A CN 201210014683A CN 102564702 B CN102564702 B CN 102564702B
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Abstract
The invention discloses a device and a system for testing a packer in a formation tester, and aims to test a newly-developed packer in a formation tester. In the test device, a first end of a simulation borehole sleeve is connected with a sleeve end cap, and a second end of the simulation borehole sleeve is sleeved inside a first end of an axial limiting sleeve and contacts the axial limiting sleeve; a protection ring is sleeved outside a contact part of the simulation borehole sleeve and the axial limiting sleeve; a test matrix is positioned in the simulation borehole sleeve and the axial limiting sleeve, and can be in circumferential seal with a sliding end cap of the packer; a first end of the test matrix can be in circumferential seal and fixedly connected with a fixed end cap of the packer, and a second end of the test matrix is connected with a second fixed head; and an expansion pressurizing pipe penetrates through an end face of the axial limiting sleeve and an end face of the second fixed head, and is communicated with a pipeline in the test matrix. The device and the system are used for performing simulation test on the charging pressure resistance and the setting sealability of the packer.
Description
Technical field
The present invention relates to the proving installation of seismic exploration equipment, relate in particular to a kind of proving installation and corresponding test macro of packer in formation tester.
Background technology
Formation tester is taken out by ebullator, realizes reservoir pressure and measures and virgin zone fluid sampling.By continuous suction resident fluid, real-time judge formation fluid property, tells the potpourri that resident fluid belongs to water, oil, gas or several persons, judge formation fluid property and keep stable after, then carry out virgin zone fluid sampling.
Along with the increasing of oil-gas exploration difficulty, low hole, hypotonic, nonuniformity is strong and broken up bad ground is more and more, and probe test has shown certain limitation in these reservoirs.Be mainly manifested in that pump efficiency is poor, success ratio is low, cannot meet to bad ground fluid properties fast, the direct needs of judgement.
The routine of formation tester sets probe at present, can only carry out pressure test and sampling to the good uniform formation of permeability, for low hole, hypotonic, nonuniformity is strong and broken up bad ground, the probe of standard form all cannot be by setting to isolate stratum, or tester when suction, probe area is too little does not reach a suitable flow while causing tester suction resident fluid, cannot carry out pressure measurement sampling.
For can solving the packer of test of above-mentioned various bad grounds, the key components and parts of packer and reliability and stability thereof, success for formation testing is also most important, is therefore necessary to adopt corresponding proving installation to test accordingly its reliability and stability etc.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of proving installation so that the packer in the formation tester of new research and development is tested.
In order to solve the problems of the technologies described above, the invention provides a kind of proving installation of packer in formation tester, packer (9) comprises sliding plug (91) and fixing plug (92), this proving installation comprises simulation well sleeve (1), sleeve plug (2), axial limiting cover (3), protective ring (4) and test base (5), wherein:
The first end of simulation well sleeve (1) is connected with sleeve plug (2), the second end is enclosed within the inside of axial limiting cover (3) first end and contacts with axial limiting cover (3), and protective ring (4) is enclosed within the outside of simulation well sleeve (1) and axial limiting cover (3) contact site; Test base (5) is positioned at the inside of simulation well sleeve (1) and axial limiting cover (3), can and the sliding plug (91) of packer (9) between circumferential seal, first end can and be fixedly connected with fixing plug (92) circumferential seal of packer (9), and the second end is connected with the second gland (62); Expandable pressurized pipe (63), through the end face of axial limiting cover (3) and the end face of the second gland (62), is connected with the pipeline (59) in test base (5); Pipeline (59) on test base (5) is provided with connected entrance (58) on the position between the sliding plug (91) and the fixing plug (92) that are positioned at packer (9); On the end face of sleeve plug (2), offer pressurizing port (21).
Preferably, on the end face of sleeve plug (2), offer exhausr port (22).
Preferably, test base (5) first end is connected with the first gland (52) by the first Rapid-turning nut 51.
Preferably, the external screw-thread of the first gland (52) connects spacing ring (53), and the end face of spacing ring (53) contacts with hold-down nut (54); Hold-down nut (54) part is enclosed within the outside of the first gland (52), and another part is connected with fixing plug (92) outer surface thread of packer (9).
Preferably, test base (5) second ends are connected with the second gland (62) by the second Rapid-turning nut (61).
The present invention also provides a kind of test macro of packer in formation tester, comprise the first force (forcing) pump (71), the second force (forcing) pump (81) and the proving installation as described in any one claim in claim 1 to 5, wherein: the first force (forcing) pump (71) is connected with expandable pressurized pipe (63), the second force (forcing) pump (81) is connected with pressurizing port (21).
Preferably, the first retaining valve (72) and/or the first tensimeter (73) are set on the pipeline between the first force (forcing) pump (71) and expandable pressurized pipe (63).
Preferably, on the pipeline between the first force (forcing) pump (71) and expandable pressurized pipe (63), side is opened two pipelines the first stop valve (74) and the first surplus valve (75) is set respectively.
Preferably, the second retaining valve (82) and/or the second tensimeter (83) are set on the pipeline between the second force (forcing) pump (81) and pressurizing port (21).
Preferably, on the pipeline between the second force (forcing) pump (81) and pressurizing port (21), side is opened two pipelines the second stop valve (84) and the second surplus valve (85) is set respectively.
Compared with prior art, the proving installation of the embodiment of the present invention can be simulated and be set packing element underground work environment, to the resistance to pressurising ability of packer with set performance and carry out simulation test, verify its reliability and stability etc., for products perfection is improved and subsequent applications provides reference.
Brief description of the drawings
Fig. 1 is the structural representation that can apply a kind of packer that proving installation of the present invention tests.
Fig. 2 is the structural representation of the proving installation of the embodiment of the present invention.
Fig. 3 is the enlarged diagram of the test base first end of proving installation embodiment illustrated in fig. 2.
Fig. 4 is the enlarged diagram of test base second end of proving installation embodiment illustrated in fig. 2.
Fig. 5 is the structural principle schematic diagram of the test macro of the packer of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
Packer as shown in Figure 1 can be to low hole, hypotonic, nonuniformity is strong and broken up various bad ground reliably sets.This packer mainly comprises sliding plug 91, fixing plug 92, the first sleeve 93, the second sleeve 94, internal layer rubber 95, outer rubber 96 and reinforcement 97.The first sleeve 93 is together by a threaded connection with sliding plug 91, and the second sleeve 94 is also together by a threaded connection with fixing plug 92, and fixing plug 92 is fixed on matrix, and the relative matrix in its position keeps motionless.Reinforcement 97 is arranged between internal layer rubber 95 and outer rubber 96.The first end of reinforcement 97 and internal layer rubber 95 stretches into the inside of the first sleeve 93, and the second end of reinforcement 97 and internal layer rubber 95 stretches into the inside of the second sleeve 94.Reinforcement 97 and internal layer rubber 95 part between the first sleeve 93 and the second sleeve 94, outside surface connects outer rubber 96 by cementing mode.Internal layer rubber 95 and reinforcement 97 are positioned at the part of two sleeves, be connected with the inwall of the first sleeve 93 and the second sleeve 94 respectively by cementing connected mode, the end face at outer rubber 96 two ends is connected in cementing mode with the end face of the first sleeve 93 and the second sleeve 94 respectively.The packer of the present embodiment is in the time of stress deformation, and cementing position can be born load and can be not destroyed, can maintain sealing state, after recovery, can become original state again.
Packer shown in Fig. 1 is under liquid pressurising, and internal layer rubber 95 and outer rubber 96 can expand until the formation of the contact borehole wall sets.Reinforcement 97, with internal layer rubber 95 and outer rubber 96 dilatational straiies, plays the compressive strength of strengthening internal layer rubber 95 and outer rubber 96.After pressure release, internal layer rubber 95, outer rubber 7 and reinforcement 97 are restored to the original state by restoring force separately.
Sliding plug 91 in packer shown in Fig. 1, is provided with mud-scraping ring, wear ring and sliding ring on its inwall, be radially provided with relief hole on outer wall, is provided with pressure release plug in relief hole.In the sidewall of sliding plug 91, be also provided with the pressure relief pipe paralleling to the axis, be connected with relief hole.Internal layer rubber 95 and outer rubber 96 are subject to restore to the original state after compression swelling and pressure release, and sliding plug 91 can slide axially, and mud-scraping ring, wear ring and sliding ring coordinate with axostylus axostyle, can effectively ensure to stablize, reliable sealing property.
Fixing plug 92 in packer shown in Fig. 1, is provided with wear ring and O RunddichtringO on its inwall, be radially provided with relief hole on outer wall, is provided with pressure release plug in relief hole.In the sidewall of fixing plug 92, be also provided with the pressure relief pipe paralleling to the axis, be connected with relief hole.Pressure release plug on sliding plug 91 and fixing plug 92, balance external and internal pressure while removing and installing for packer.
Complete for the stressed expansion of this dependence elastomeric element as shown in Figure 1 the packer setting, be necessary in fact with and produce before test accordingly, to verify its performance and reliability.
The proving installation of the embodiment of the present invention can complete the test to packer as shown in Figure 1.As shown in Figure 2, Figure 3 and Figure 4, the proving installation of the present embodiment mainly comprises simulation well sleeve 1, sleeve plug 2, axial limiting cover 3, protective ring 4 and test base 5.
The first end of simulation well sleeve 1 is connected with sleeve plug 2 with O-ring seal by screw thread, the second end is enclosed within axial limiting and overlaps the inside of 3 first ends and contact with axial limiting cover 3, protective ring 4 is enclosed within simulation well sleeve 1 and axial limiting and overlaps the outside of 3 contacts site, and simulation well sleeve 1 and axial limiting are overlapped to 3 be connected and strengthen.Axial limiting cover 3 contacts with simulation well sleeve 1, can limit moving axially of packer.
Packer 9 to be tested is positioned at the inside of simulation well sleeve 1 and axial limiting cover 3.
As shown in Figure 3, test base 5 is through packer 9, and first end is exposed at the outside of the fixing plug 92 of packer 9, is connected with the first gland 52 by the first Rapid-turning nut 51.Circumferential seal between test base 5 and fixing plug 92, fixing plug 92 has limited packer 9 moving axially in this one end.The external screw-thread of the first gland 52 connects spacing ring 53, and the upper surface of this spacing ring 53 contacts with hold-down nut 54, withstands on the end face of hold-down nut 54, has limited downward the moving axially of hold-down nut 54.Hold-down nut 54 parts are enclosed within the outside of the first gland 52, and another part is connected with the outer surface thread of the fixing plug 92 of packer 9 by screw thread.
As shown in Figure 4, the second end of test base 5 is exposed at the outside of the sliding plug 91 of packer 9, is connected with the second gland 62 by the second Rapid-turning nut 61.Circumferential seal between test base 5 and sliding plug 91, and sliding plug 91 is slidably connected with test base 5, can slide axially along test base 5.
So, the inside of simulation well sleeve 1 forms two seal cavities, and first seal cavity is the inside of packer 9, the space between inside, packer 9 and sleeve plug 2 that second seal cavity is simulation well sleeve 1.
Expandable pressurized pipe 63, through the end face of axial limiting cover 3 and the end face of the second gland 62, is connected with the pipeline 59 in test base 5.Pipeline 59 axial distribution on test base 5 are provided with connected entrance 58 radially on the position between sliding plug 91 and the fixing plug 92 at packer 9, can with the inside UNICOM of packer 9.
The first outside force (forcing) pump connects after expandable pressurized pipe 63, can the inside to packer 9 (being aforesaid first seal cavity) pressurize by the pipeline 59 on expandable pressurized pipe 63 and test base 5, for packer 9 provides the swelling pressure.Packer 9 is under inner pressurising, and internal layer rubber 95 and outer rubber 96 can expand, and sliding plug 91 can slide towards fixing plug 92 along test base 5, sets until the inwall of outer rubber 96 contact simulation well sleeves 1 forms.
As shown in Figure 2, on the end face of sleeve plug 2, offer pressurizing port 21, this pressurizing port 21 and aforesaid second seal cavity UNICOM.Be connected with outside the second force (forcing) pump, can set pressure for second seal cavity provides by this pressurizing port 21.Axial limiting cover 3 can effectively prevent that test base from sliding axially in the time that pressurizing port 21 is suppressed.As shown in Figure 2, on the end face of sleeve plug 2, offer exhausr port 22, by the second force (forcing) pump, pressurizing port 21 and exhausr port 22, can discharge easily the gas in aforementioned second seal cavity, after the second seal cavity air drains, block exhausr port 22 with plug, continue pressurization, obtain the required force value that sets.
As shown in Figure 5, by pressure piping, expandable pressurized pipe 63 is connected to first seal cavity is pressurizeed the swelling pressure are provided with the first force (forcing) pump 71.By the first retaining valve 72 and the first tensimeter 73 are set on pressure piping, can regulate easily first seal cavity institute applied pressure; In other embodiment, the first retaining valve 72 and the first tensimeter 73 also can only select one of them to be arranged on pipeline.On pressure piping, also can other open two pipelines the first stop valve 74 and the first surplus valve 75 are set respectively, the packer in proving installation is carried out to swelling pressure protection, prevent from destroying packer for packer provides the too high swelling pressure.By pressure piping, pressurizing port 21 is connected with the second force (forcing) pump 81 to second seal cavity pressurization simulated and set pressure.On the pipeline between the second force (forcing) pump 81 and the pressurizing port 21 of proving installation, also can relative set the second retaining valve 82, the second tensimeter 83, the second stop valve 84 and the second surplus valve 85.Wherein setting and the function of the second retaining valve 82, the second tensimeter 83, the second stop valve 84 and the second surplus valve 85, can be with reference to the description of the first retaining valve 72, the first tensimeter 73, the first stop valve 74 and the first surplus valve 75 on pipeline between the first force (forcing) pump 71 and proving installation.
First force (forcing) pump of proving installation of the present invention by outside provides the swelling pressure for first seal cavity, and for providing, second seal cavity set pressure by outside the second force (forcing) pump, can test the sealing property of the sliding plug of packer 9 91 and fixing plug 92, can test elastic deformation ability and the serviceable life etc. of internal layer rubber 95, outer rubber 96 and reinforcement 97.Outside provide the first force (forcing) pump of the swelling pressure for first seal cavity, and provide the second force (forcing) pump that sets pressure for second seal cavity, all can show institute's applied pressure separately by tensimeter, also can be respectively two seal cavities according to default pressure by supporting separately stop valve and surplus valve pressure is provided.
What embodiments of the invention can be tested different swelling pressure value lower packets sets performance and reliability.Embodiments of the invention can also set to the well of all size and packer the test of performance and reliability.
Although the disclosed embodiment of the present invention as above, the embodiment that described content just adopts for the ease of understanding the present invention, not in order to limit the present invention.Technician in any the technical field of the invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can do any amendment and variation what implement in form and in details; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. the proving installation of a packer in formation tester, packer (9) comprises sliding plug (91) and fixing plug (92), this proving installation comprises simulation well sleeve (1), sleeve plug (2), axial limiting cover (3), protective ring (4) and test base (5), wherein:
The first end of simulation well sleeve (1) is connected with sleeve plug (2), the second end is enclosed within the inside of axial limiting cover (3) first end and contacts with axial limiting cover (3), and protective ring (4) is enclosed within the outside of simulation well sleeve (1) and axial limiting cover (3) contact site; Test base (5) is positioned at the inside of simulation well sleeve (1) and axial limiting cover (3), can and the sliding plug (91) of packer (9) between circumferential seal, first end can and be fixedly connected with fixing plug (92) circumferential seal of packer (9), and the second end is connected with the second gland (62); Expandable pressurized pipe (63), through the end face of axial limiting cover (3) and the end face of the second gland (62), is connected with the pipeline (59) in test base (5); Pipeline (59) on test base (5) is provided with connected entrance (58) on the position between the sliding plug (91) and the fixing plug (92) that are positioned at packer (9); On the end face of sleeve plug (2), offer pressurizing port (21).
2. proving installation according to claim 1, wherein:
On the end face of sleeve plug (2), offer exhausr port (22).
3. proving installation according to claim 1, wherein:
Test base (5) first end is connected with the first gland (52) by the first Rapid-turning nut (51).
4. proving installation according to claim 3, wherein:
The external screw-thread of the first gland (52) connects spacing ring (53), and the end face of spacing ring (53) contacts with hold-down nut (54); Hold-down nut (54) part is enclosed within the outside of the first gland (52), and another part is connected with fixing plug (92) outer surface thread of packer (9).
5. proving installation according to claim 1, wherein:
Test base (5) second ends are connected with the second gland (62) by the second Rapid-turning nut (61).
6. a test macro for packer in formation tester, comprises the first force (forcing) pump (71), the second force (forcing) pump (81) and the proving installation as described in any one claim in claim 1 to 5, wherein:
The first force (forcing) pump (71) is connected with expandable pressurized pipe (63), and the second force (forcing) pump (81) is connected with pressurizing port (21).
7. test macro according to claim 6, wherein:
The first retaining valve (72) and/or the first tensimeter (73) are set on the pipeline between the first force (forcing) pump (71) and expandable pressurized pipe (63).
8. according to the test macro described in claim 6 or 7, wherein:
On the pipeline between the first force (forcing) pump (71) and expandable pressurized pipe (63), side is opened two pipelines the first stop valve (74) and the first surplus valve (75) is set respectively.
9. test macro according to claim 6, wherein:
The second retaining valve (82) and/or the second tensimeter (83) are set on the pipeline between the second force (forcing) pump (81) and pressurizing port (21).
10. according to the test macro described in claim 6 or 9, wherein:
On the pipeline between the second force (forcing) pump (81) and pressurizing port (21), side is opened two pipelines the second stop valve (84) and the second surplus valve (85) is set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014683.7A CN102564702B (en) | 2012-01-18 | 2012-01-18 | Device and system for testing packer in formation tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014683.7A CN102564702B (en) | 2012-01-18 | 2012-01-18 | Device and system for testing packer in formation tester |
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| CN102564702A CN102564702A (en) | 2012-07-11 |
| CN102564702B true CN102564702B (en) | 2014-08-06 |
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| CN201210014683.7A Active CN102564702B (en) | 2012-01-18 | 2012-01-18 | Device and system for testing packer in formation tester |
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| CN103728181B (en) * | 2013-12-11 | 2016-05-04 | 中联煤层气国家工程研究中心有限责任公司 | A kind of ball sealer resistance to compression experimental provision |
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| CN105157963B (en) * | 2015-07-03 | 2017-10-20 | 北京建筑大学 | A kind of sealed autoclave tested Self-expandable packer |
| CN107702901B (en) * | 2017-09-12 | 2019-07-05 | 中国石油天然气股份有限公司 | K344 packer deblocking capability test method under horizontal well repeated transformation working condition |
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| CN107741306A (en) * | 2017-11-30 | 2018-02-27 | 贝兹维仪器(苏州)有限公司 | A kind of device for detecting sealability with doubles laminated structure |
| CN110274733A (en) * | 2019-07-17 | 2019-09-24 | 中石化石油工程技术服务有限公司 | A kind of detection device for hydraulic packer |
| CN113090253B (en) * | 2019-12-23 | 2023-06-30 | 中国石油天然气股份有限公司 | Casing pressure test device and method for horizontal well |
| CN113820107B (en) * | 2020-06-12 | 2024-05-07 | 中国石油化工股份有限公司 | Performance test method and string for expanding packer |
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| WO2012031265A3 (en) * | 2010-09-02 | 2012-06-21 | Schlumberger Canada Limited | Method and apparatus to observe a swellable packer element |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8727011B2 (en) * | 2009-11-24 | 2014-05-20 | Tam International, Inc. | Wellhead test tool and method |
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| CN2318630Y (en) * | 1997-10-27 | 1999-05-12 | 江苏石油勘探局石油工程技术研究院 | Packer performance testing machine |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |