CN204827256U - Seal up and adopt down screen pipe and fill sand control integration operating tool string - Google Patents

Seal up and adopt down screen pipe and fill sand control integration operating tool string Download PDF

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Publication number
CN204827256U
CN204827256U CN201520589859.0U CN201520589859U CN204827256U CN 204827256 U CN204827256 U CN 204827256U CN 201520589859 U CN201520589859 U CN 201520589859U CN 204827256 U CN204827256 U CN 204827256U
Authority
CN
China
Prior art keywords
sand
type packer
sand control
filling anti
screen pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520589859.0U
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Chinese (zh)
Inventor
孙宝京
韩学良
田庆国
杨新龙
曹德忠
任勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Gudao Oil Extraction Plant
Original Assignee
China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Gudao Oil Extraction Plant
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Shengli Oilfield Co Gudao Oil Extraction Plant filed Critical China Petroleum and Chemical Corp
Priority to CN201520589859.0U priority Critical patent/CN204827256U/en
Application granted granted Critical
Publication of CN204827256U publication Critical patent/CN204827256U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Provided is a seal up and adopt down screen pipe and fill sand control integration operating tool string, top -down oil pipe, (B, ) (b) Y445 (b) (b) type packer, (B, ) (b) Y211 (b) (b) type packer, can repeatedly fill the sand control instrument, appurtenance, the signal screen pipe, the centralizer, the screen pipe, the centralizer, plug threaded connection, it is intraductal that the cover is once gone into down to whole tubular column, the card seals once to be accomplished with the sand control, utilize (b) (b) Y445 (b) (b) type packer and the combination realization of (b) (b) Y211 (b) (b) type packer to seal sealing of interlayer, the packing tool of passageway can repeatedly be opened in the utilization and appurtenance's cooperation realizes that the screen pipe of producing horizon fills the sand control. The utility model discloses the ingenious cooperation that utilizes the packer and can repeatedly open the packing tool that fills the passageway, realized the card seal up stop the layer, the screen pipe fills the integration construction of sand control lower floor, has solved betterly that the layer is sealed up to multiple zone development oil well card, the screen pipe fills the difficult problem that the lower floor was adopted to the sand control, has the construction of simplification moreover, saves the time limit for a project, precipitation increases oily effect and is showing. (B, )

Description

Seal up and adopt lower screen casing filling anti-sand integrated construction tubing string
Technical field
the utility model relates to oilfield oil production by layer card envelope sand control downhole tool and technology, and specifically one is sealed up and adopted lower screen casing filling anti-sand integrated construction tubing string.
Background technology
in order to realize, layer sealed up by loose sand oil accumulation multilayer system exploitation oil well card, sand control adopts lower floor's object at present, mainly have employed card envelope hanging metal sand screen and first screen casing filling anti-sand lower floor, rear card seal up stop layers step-by-step construction two class oil production technology technology and operating tool string, effect of field application is all undesirable.Card envelope hanging metal sand screen sand-preventing process compliance is poor, uses in Ng1+2 Extra-fine sand rock oil reservoir, heavy oil tested layer and polymer injection development aboveground being difficult to; First screen casing filling anti-sand lower floor, rear card seal up stop layers step-by-step construction technique process complexity, the well that many and large for interlayer difference, the upper stop layers pressure of accident potential is high, feed flow is sufficient, and card envelope effect is poor.
Summary of the invention
the purpose of this utility model is exactly for above-mentioned weak point, provides one to seal up and adopts lower screen casing filling anti-sand integrated construction tubing string.
the purpose of this utility model is realized by following technical proposals:
the utility model comprises: oil pipe, Y445 type packer, Y211 type packer, can repeat filling anti-sand instrument, aid, tell tale screen, centralizer, screen casing, plug.Described seal up adopt lower screen casing filling anti-sand integrated construction tubing string from top to bottom oil pipe, Y445 type packer, Y211 type packer, filling anti-sand instrument can be repeated, aid, tell tale screen, centralizer, screen casing, centralizer, plug be threaded, whole tubing string once enters in sleeve pipe down, card envelope and sand control once complete, and utilize the combination of Y445 type packer and Y211 type packer to realize closing of sealing layer; The packing tool that utilization can repeat open channel coordinates with aid the screen casing filling anti-sand realizing producing zone.
above-mentioned female top connection I of establishing of sealing up the repeated filling anti-sand instrument adopted in lower screen casing filling anti-sand integrated construction tubing string is threaded with urceolus, centre bore is equipped with inner core, valve, spring from top to bottom successively, bottom is provided with lower contact, position-limitting pin is provided with at the middle part of top connection I, guide ring is provided with on the top of urceolus, sealing ring is respectively equipped with between urceolus and inner core, between inner core and valve, between urceolus and lower contact, be provided with pack hole I on the top of urceolus and inner core, the middle part of lower contact is provided with liquid backflow hole I.
above-mentionedly seal up the female top connection II of establishing of adopting aid in lower screen casing filling anti-sand integrated construction tubing string and be threaded with lower shell, ball seat, steel ball is provided with on the top of lower shell, the bottom of lower shell is connected with lower shell by connecting cylinder, lower shell bottom is connected with washing pipe joint, fixing pin is provided with between lower shell and ball seat, bottom lower shell being positioned at fixing pin is provided with pack hole II, be provided with liquid backflow hole II on the top of lower shell, be provided with tank and stopper slot on the top of top connection II.
the invention has the beneficial effects as follows: utilize packer to coordinate with the ingenious of packing tool can repeating to open filling passage, achieve card and seal up stop layers, screen casing filling anti-sand lower floor integrated construction, solve the difficult problem that layer sealed up by multiple zone exploitation oil well card, screen casing filling anti-sand adopts lower floor preferably, and there is simplification construction, saving duration, decreasing water cut and increasing oil Be very effective.
Accompanying drawing explanation
the on-the-spot application structure schematic diagram of Fig. 1-the utility model.
fig. 2-the utility model can repeat the master of filling anti-sand instrument 3 depending on partly cuing open structural representation.
the master of Fig. 3-the utility model aid 4 is depending on partly cuing open structural representation.
in figure, 0. oil pipe, 1.Y445 type packer, 2.Y211 type packer, 3. can repeat filling anti-sand instrument, 3.1. top connection I, 3.2. position-limitting pin, 3.3. urceolus, 3.4,3.7,3.10. sealing ring, 3.5. inner core, 3.6. guide ring, 3.8. valve, 3.9. spring, 3.11. lower contact; 4. aid, 4.1. top connection II, 4.2. fixing pin, 4.3. steel ball, 4.4. ball seat, 4.5. lower shell, 4.6. connecting cylinder, 4.7. lower shell, 4.8. washing pipe joint, 5. sealing layer, 6. tell tale screen, 7. centralizer, 8. screen casing, 9. producing zone, 10. plug, 11. sleeve pipes, 12. artificials bottom of a well; A. pack hole I, B. liquid backflow hole I, C. crosses tank, D. stopper slot, E. pack hole II, F. liquid backflow hole II.
Detailed description of the invention
by reference to the accompanying drawings, the utility model will be further described:
embodiment 1
seal up adopt lower screen casing filling anti-sand integrated construction tubing string by oil pipe 0, Y445 type packer 1, Y211 type packer 2, filling anti-sand instrument 3 can be repeated, aid 4, tell tale screen 6, centralizer 7, screen casing 8, plug 10 form.Described seal up adopt lower screen casing filling anti-sand integrated construction tubing string from top to bottom oil pipe 0, Y445 type packer 1, Y211 type packer 2, filling anti-sand instrument 3 can be repeated, aid 4, tell tale screen 6, centralizer 7, screen casing 8, centralizer 7, plug 10 be threaded, whole tubing string once enters down in sleeve pipe 11, card envelope and sand control once complete, and utilize Y445 type packer 1 and the combination of Y211 type packer 2 to realize closing of sealing layer 5; The packing tool 3 that utilization can repeat open channel coordinates with aid 4 screen casing 8 filling anti-sand realizing producing zone 9.
embodiment 2
first, will seal up by designing requirement and adopt lower screen casing filling anti-sand integrated construction tubing string G.I.H desired depth, now, pack hole I A that can repeat filling anti-sand instrument 3 is in closed condition.
secondly, after tubing string puts in place, upper lifting pipe more than post 0.6m, slowly transfers tubing string, and pressurization 60-80KN, makes to set Y211 packer 2 and set; Throw φ 35mm steel ball 4.3, suppress with pump truck, at each voltage stabilizing 5min of 4MPa, 6MPa, 8MPa, 10MPa, 12MPa each point, grappling Y445 type packer 1 also makes Y445 type packer 1 sealing drum fully swell Seal Oil cover annular space; Continue to suppress to abrupt pressure reduction, realize Y445 type packer 1 and give up, trip out fuse of giving up.
3rd, lower aid 4 is to inner core 3.5 position can repeating filling anti-sand instrument 3, and pressurization 10-20KN makes the washing pipe joint 4.8 of aid 4 promote valve 3.8 to move down, open fill hole I A.
4th, positive well-flushing circulation one week, close sleeve gate, formation carries out the construction of high-pressure extrusion filling anti-sand, then opens sleeve gate, carries out the construction of flow pack sand control to annular space.
5th, huge discharge anti-flushing well, washes out quartz sand unnecessary in oil pipe 0, central tube.
6th, tear well head open, trip out aid 4, the valve 3.8 that lift-off can repeat filling anti-sand instrument 3 just loses downforce, up closedown pack hole I A under spring 3.9 spring-force driven dual.

Claims (3)

1. seal up and adopt a lower screen casing filling anti-sand integrated construction tubing string, comprising: oil pipe (0), Y445 type packer (1), Y211 type packer (2), filling anti-sand instrument (3), aid (4), tell tale screen (6), centralizer (7), screen casing (8), plug (10) can be repeated; It is characterized in that: described sealing up adopt lower screen casing filling anti-sand integrated construction tubing string from top to bottom oil pipe (0), Y445 type packer (1), Y211 type packer (2), filling anti-sand instrument (3) can be repeated, aid (4), tell tale screen (6), centralizer (7), screen casing (8), centralizer (7), plug (10) be threaded, whole tubing string once enters down in sleeve pipe (11), card envelope and sand control once complete, and utilize Y445 type packer (1) and the combination of Y211 type packer (2) to realize closing of sealing layer (5); The packing tool (3) that utilization can repeat open channel coordinates with aid (4) screen casing (8) filling anti-sand realizing producing zone (9).
2. according to claim 1 sealing up adopts lower screen casing filling anti-sand integrated construction tubing string, it is characterized in that: the described female top connection I (3.1) of establishing repeating filling anti-sand instrument (3) is threaded with urceolus (3.3), centre bore is equipped with inner core (3.5) from top to bottom successively, valve (3.8), spring (3.9), bottom is provided with lower contact (3.11), position-limitting pin (3.2) is provided with at the middle part of top connection I (3.1), guide ring (3.6) is provided with on the top of urceolus (3.3), between urceolus (3.3) and inner core (3.5), between inner core (3.5) and valve (3.8), sealing ring (3.4) is respectively equipped with between urceolus (3.3) and lower contact (3.11), sealing ring (3.7), sealing ring (3.10), pack hole I (A) is provided with on the top of urceolus (3.3) and inner core (3.5), the middle part of lower contact (3.11) is provided with liquid backflow hole I (B).
3. according to claim 1 sealing up adopts lower screen casing filling anti-sand integrated construction tubing string, it is characterized in that: the female top connection II (4.1) of establishing of described aid (4) is threaded with lower shell (4.5), ball seat (4.4) is provided with on the top of lower shell (4.5), steel ball (4.3), the bottom of lower shell (4.5) is connected with lower shell (4.7) by connecting cylinder (4.6), lower shell (4.7) bottom is connected with washing pipe joint (4.8), fixing pin (4.2) is provided with between lower shell (4.5) and ball seat (4.4), bottom lower shell (4.5) being positioned at fixing pin (4.2) is provided with pack hole II (E), liquid backflow hole II (F) is provided with on the top of lower shell (4.7), tank (C) and stopper slot (D) was provided with on the top of top connection II (4.1).
CN201520589859.0U 2015-08-07 2015-08-07 Seal up and adopt down screen pipe and fill sand control integration operating tool string Expired - Fee Related CN204827256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520589859.0U CN204827256U (en) 2015-08-07 2015-08-07 Seal up and adopt down screen pipe and fill sand control integration operating tool string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520589859.0U CN204827256U (en) 2015-08-07 2015-08-07 Seal up and adopt down screen pipe and fill sand control integration operating tool string

Publications (1)

Publication Number Publication Date
CN204827256U true CN204827256U (en) 2015-12-02

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829778A (en) * 2017-10-16 2018-03-23 高瑞民 A kind of monoblock type slicing and filling device
CN108915645A (en) * 2018-08-08 2018-11-30 东营市昌瑞石油机械配件有限责任公司 A kind of screen mesh type sand screen and its application method
CN113482588A (en) * 2021-07-12 2021-10-08 四川盐业地质钻井大队 Double-layer simultaneous mining method for salt mine
CN113931598A (en) * 2021-12-16 2022-01-14 纬达石油装备有限公司 Sand prevention filling device and using method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829778A (en) * 2017-10-16 2018-03-23 高瑞民 A kind of monoblock type slicing and filling device
CN107829778B (en) * 2017-10-16 2018-12-07 高瑞民 A kind of monoblock type slicing and filling device
CN108915645A (en) * 2018-08-08 2018-11-30 东营市昌瑞石油机械配件有限责任公司 A kind of screen mesh type sand screen and its application method
CN113482588A (en) * 2021-07-12 2021-10-08 四川盐业地质钻井大队 Double-layer simultaneous mining method for salt mine
CN113931598A (en) * 2021-12-16 2022-01-14 纬达石油装备有限公司 Sand prevention filling device and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20160807

CF01 Termination of patent right due to non-payment of annual fee