CN204238923U - Hollow casting and dragging free is surveyed and is adjusted integration to join poly-device - Google Patents
Hollow casting and dragging free is surveyed and is adjusted integration to join poly-device Download PDFInfo
- Publication number
- CN204238923U CN204238923U CN201420680214.3U CN201420680214U CN204238923U CN 204238923 U CN204238923 U CN 204238923U CN 201420680214 U CN201420680214 U CN 201420680214U CN 204238923 U CN204238923 U CN 204238923U
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- piston
- central tube
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- stab
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Abstract
The utility model provides a kind of hollow casting and dragging free survey to adjust integration to join poly-device, comprise central tube, regulate fuse, anti-stab piston, packed-piston, described adjustment fuse inserts in central tube lower end and is connected in central tube inner chamber, and the inner chamber regulating fuse and central tube is connected state, described anti-stab piston and packed-piston are enclosed within outside central tube one on the other successively, and anti-stab piston forms upper piston chamber each other; The bottom of described central tube and regulate the outside of fuse cover to have throttle sleeve, lower through-hole offered by the central tube being positioned at packed-piston upper semisection position, and packed-piston temporarily blocks lower through-hole.The utility model realizes the adjustment of joining poly-device seating nipple and joining fitting face length or gap between poly-fuse, effectively can prevent the blocking of noting poly-passage; The cannelure of joining poly-fuse appearance is designed to pyramidal structure simultaneously, by the mobile adjustment conical surface of fuse vertical direction and the gap of seating nipple, makes polymer annular stream the object being reached pressure reduction control by thread groove.
Description
Technical field
The utility model relates to field polymers Injection Well device, and especially a kind of hollow casting and dragging free is surveyed and adjusted integration to join poly-device.
Background technology
Hollow single pipe layered polymer injection technology is found in application process, for the Oil Reservoir Types making polymer solution adapt to different blocks, each note gather station join mother liquor concentration differ, cause polymer viscosity unstable, during zonal testing, little, the pressure stability of well head pressure point span needs overlong time, certain error is there is, general 2-3 days consuming time during data recording; Be completed according to existing flow and chock pressure difference curve plate, corresponding implanted layer join in poly-device seating nipple drop into corresponding length join poly-fuse, again carry out zonal testing calibration, later stage is when interval injection allocation amount or the poly-viscosity of note adjust, need to retest allotment, for multistage water injection well, need that each grating is gathered fuse during test allotment and repeatedly deliver salvaging, site work amount is large, affects oil field and normally produces; Simultaneously by the impact of injection of polymer water quality, very easily there is fouling and clogging in the ring-shaped throttling passage that poly-device is joined in down-hole, and later stage allotment salvaging power easy chance card bigger than normal, affects the life-span of tubing string.External injection well mainly adopts general injection at present, the corresponding individual layer of individual well, realize layering in well pattern to inject, individual well layered polymer injection technique has no correlative study, and the search time that layered polymer injection technology is engaged in by domestic Daqing oil field is longer, because hole condition is better, interlayer physical difference is little, and each layer the controlling of injecting quantity is less, on-the-spot main based on eccentric single pipe layered polymer injection, need to carry out dropping-fishing test repeatedly, equally also there is the risk that pulling is hampered and meets card.
Summary of the invention
The purpose of this utility model is to provide a kind of hollow casting and dragging free survey and adjusts integration to join poly-device, realizes the adjustment of joining poly-device seating nipple and joining fitting face length or gap between poly-fuse, effectively can prevent the blocking of noting poly-passage; The cannelure of joining poly-fuse appearance is designed to pyramidal structure simultaneously, by the mobile adjustment conical surface of fuse vertical direction and the gap of seating nipple, makes polymer annular stream the object being reached pressure reduction control by thread groove.
The purpose of this utility model realizes by following technical measures:
This hollow casting and dragging free survey tune integration is joined poly-device and is comprised central tube, regulates fuse, anti-stab piston, packed-piston, described adjustment fuse inserts in central tube lower end and is connected in central tube inner chamber, and the inner chamber regulating fuse and central tube is connected state, described anti-stab piston and packed-piston are enclosed within outside central tube one on the other successively, and anti-stab piston forms upper piston chamber each other, described central tube is offered the upper through hole for being communicated with upper piston chamber and central tube inner chamber; The bottom of described central tube and regulate the outside of fuse cover to have throttle sleeve, lower through-hole offered by the central tube being positioned at packed-piston upper semisection position, packed-piston temporarily blocks lower through-hole, and described adjustment fuse inner chamber is successively through throttle sleeve and regulate the annular space between fuse, regulate the annular space between fuse and central tube to be communicated to lower through-hole.
The purpose of this utility model also realizes by following technical measures:
Described central tube upper end connects positioning pipe, top connection successively, described positioning pipe bottom arranges the boss limiting anti-stab piston stroking upward, on the top of anti-stab piston and the outside of positioning pipe cover have spring, spring upper end arranges adjustable ring, and adjustable ring upper end is connected in top connection.
The external surface that described adjustment fuse is adjacent with throttle sleeve inwall is designed to conical outer surface, and conical outer surface offers uniform cannelure, by regulating the mobile gap adjusting conical outer surface and throttle sleeve of fuse vertical direction, polymer annular being streamed and carries out pressure reduction control by cannelure.
Described throttle sleeve upper end is connected with central tube by joint, and described upper end of joint connects piston jacket, and described packed-piston slides between piston jacket and central tube, and the upper end of described packed-piston withstands on the bottom of anti-stab piston.
Described piston jacket is inner and the bottom of packed-piston is provided with control piston, and described control piston is temporarily fixed on central tube by shear pin.
The utility model has following beneficial effect:
The utility model is pre-installed in by hollow confecting-polymer fuse to join in poly-device seating nipple, each interval joins poly-fuse consistent size, by entering measurement and adjustment instrument device under the well head of ground, rotary extension joins poly-fuse, realize the adjustment of joining poly-device seating nipple and joining fitting face length or gap between poly-fuse, effectively can prevent the blocking of noting poly-passage; The cannelure of joining poly-fuse appearance is designed to pyramidal structure simultaneously, by the mobile adjustment conical surface of fuse vertical direction and the gap of seating nipple, makes polymer annular stream the object being reached pressure reduction control by thread groove.Hollow same dimension adjustable joins poly-device, and layering progression is unrestricted; Survey limit, limit is adjusted, and without the need to fuse pulling, surveys and adjusts workload less; Test data ground directly-reading, stepless allotment, allotment precision is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment.
In figure, 1-top connection; 2-adjustable ring; 3-positioning pipe; 4-spring; 5-central tube; 6-anti-stab piston; 7-regulate fuse; 8-packed-piston; 9-shear pin; 10-control piston; 11-piston jacket; 12-joint; 13-throttle sleeve.
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
With reference to accompanying drawing 1, hollowly adjustablely join poly-device, comprise central tube 5, regulate fuse 7, anti-stab piston 6, packed-piston 8, described adjustment fuse inserts in central tube lower end and is connected in central tube inner chamber, and the inner chamber regulating fuse and central tube is connected state, described anti-stab piston and packed-piston are enclosed within outside central tube one on the other successively, and anti-stab piston forms upper piston chamber each other, described central tube are offered the upper through hole for being communicated with upper piston chamber and central tube inner chamber; The bottom of described central tube and regulate the outside of fuse cover to have throttle sleeve 13, lower through-hole offered by the central tube being positioned at packed-piston upper semisection position, packed-piston temporarily blocks lower through-hole, and described adjustment fuse inner chamber is successively through throttle sleeve and regulate the annular space between fuse, regulate the annular space between fuse and central tube to be communicated to lower through-hole.Described central tube upper end connects positioning pipe 3, top connection 1 successively, described positioning pipe bottom arranges the boss limiting anti-stab piston stroking upward, on the top of anti-stab piston and the outside of positioning pipe cover have spring, spring upper end arranges adjustable ring 2, and adjustable ring upper end is connected in top connection.
The external surface that described adjustment fuse is adjacent with throttle sleeve inwall is designed to conical outer surface, and conical outer surface offers uniform cannelure, by regulating the mobile gap adjusting conical outer surface and throttle sleeve of fuse vertical direction, polymer annular being streamed and carries out pressure reduction control by cannelure.
Described throttle sleeve upper end is connected with central tube by joint 12, and described upper end of joint connects piston jacket 11, and described packed-piston slides between piston jacket and central tube, and the upper end of described packed-piston withstands on the bottom of anti-stab piston.Described piston jacket is inner and the bottom of packed-piston is provided with control piston 10, and described control piston is temporarily fixed on central tube by shear pin 9.
Be connected with positioning pipe 3 in top connection 1, top connection is outer to be connected with adjustable ring 2, spring 4 empty set is outside positioning pipe 3, anti-stab piston 6 is enclosed within outside central tube 5, then the central tube of anti-stab piston is had to be connected to positioning pipe in cover, packed-piston 8 is enclosed within outside central tube, empty set control piston 10 is outside the central tube of packed-piston lower end again, shear pin 9 is installed and fixes control piston outside central tube, piston jacket 11 is connected with joint 12, again by jiont treatment at central tube, piston jacket empty set is outside control piston and packed-piston simultaneously, install and regulate fuse 7 in central tube, finally throat bushing is connected with joint.
The course of work:
1, connect.This instrument is all connected with 27/8TBG oil pipe up and down.
2, open.Suppress in oil pipe, a part of hydraulic pressure promotes anti-stab piston stroking upward Compress Spring by central tube inlet opening, simultaneously spacing by positioning pipe outside, forms confined space in anti-stab piston; Another part is by regulating the annular space of fuse and throttle sleeve up, and enter the seal cavity of packed-piston and control piston, when pressure is enough large, control piston is cut off shear pin and moved down, and forms confined space between packed-piston and control piston simultaneously.In oil pipe after pressure release, compression spring force promote anti-stab piston and packed-piston descending, until the end contact of anti-stab piston and piston jacket.
3, note is poly-.During oil pipe injection of polymer, fluid pressure promotes the formation gap, end of anti-stab piston stroking upward and piston jacket, and polymer walks around the annular space regulating fuse and throttle sleeve, and the gap formed from anti-stab piston and piston jacket end is flowed out.
4, tune is surveyed.When injection rate needs to control, measurement and adjustment instrument device is entered by underground, be positioned at step place in tool positioned pipe, instrument lower mechanical hand coordinates with regulating the slotted eye of fuse upper end, the rotating mechanism of instrument drives and regulates fuse screw thread rotation, and adjustment fuse is moved in vertical direction, adjusts the gap regulated between fuse and throttle sleeve, simultaneously instrument upper end tester is installed can real-time Transmission downhole deployment result, until meet down-hole injection allocation requirement.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (5)
1. hollow casting and dragging free is surveyed and is adjusted integration to join poly-device, it is characterized in that, comprise central tube, regulate fuse, anti-stab piston, packed-piston, described adjustment fuse inserts in central tube lower end and is connected in central tube inner chamber, and the inner chamber regulating fuse and central tube is connected state, described anti-stab piston and packed-piston are enclosed within outside central tube one on the other successively, and anti-stab piston forms upper piston chamber each other, described central tube are offered the upper through hole for being communicated with upper piston chamber and central tube inner chamber; The bottom of described central tube and regulate the outside of fuse cover to have throttle sleeve, lower through-hole offered by the central tube being positioned at packed-piston upper semisection position, packed-piston temporarily blocks lower through-hole, and described adjustment fuse inner chamber is successively through throttle sleeve and regulate the annular space between fuse, regulate the annular space between fuse and central tube to be communicated to lower through-hole.
2. hollow casting and dragging free according to claim 1 is surveyed and is adjusted integration to join poly-device, it is characterized in that, described central tube upper end connects positioning pipe, top connection successively, described positioning pipe bottom arranges the boss limiting anti-stab piston stroking upward, on the top of anti-stab piston and the outside of positioning pipe cover have spring, spring upper end arranges adjustable ring, and adjustable ring upper end is connected in top connection.
3. hollow casting and dragging free according to claim 1 is surveyed and is adjusted integration to join poly-device, it is characterized in that, the external surface that described adjustment fuse is adjacent with throttle sleeve inwall is designed to conical outer surface, and conical outer surface offers uniform cannelure, by regulating the mobile gap adjusting conical outer surface and throttle sleeve of fuse vertical direction, polymer annular being streamed and carries out pressure reduction control by cannelure.
4. hollow casting and dragging free according to claim 1 is surveyed and is adjusted integration to join poly-device, it is characterized in that, described throttle sleeve upper end is connected with central tube by joint, described upper end of joint connects piston jacket, described packed-piston slides between piston jacket and central tube, and the upper end of described packed-piston withstands on the bottom of anti-stab piston.
5. hollow casting and dragging free according to claim 4 is surveyed and is adjusted integration to join poly-device, and it is characterized in that, described piston jacket is inner and the bottom of packed-piston is provided with control piston, and described control piston is temporarily fixed on central tube by shear pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680214.3U CN204238923U (en) | 2014-11-10 | 2014-11-10 | Hollow casting and dragging free is surveyed and is adjusted integration to join poly-device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680214.3U CN204238923U (en) | 2014-11-10 | 2014-11-10 | Hollow casting and dragging free is surveyed and is adjusted integration to join poly-device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204238923U true CN204238923U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680214.3U Expired - Fee Related CN204238923U (en) | 2014-11-10 | 2014-11-10 | Hollow casting and dragging free is surveyed and is adjusted integration to join poly-device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204238923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649584A (en) * | 2014-11-10 | 2016-06-08 | 中国石油化工股份有限公司 | Hollow adjustable polymer blending device |
-
2014
- 2014-11-10 CN CN201420680214.3U patent/CN204238923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649584A (en) * | 2014-11-10 | 2016-06-08 | 中国石油化工股份有限公司 | Hollow adjustable polymer blending device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20171110 |