CN2517858Y - Polymodel current appts. - Google Patents
Polymodel current appts. Download PDFInfo
- Publication number
- CN2517858Y CN2517858Y CN 01276070 CN01276070U CN2517858Y CN 2517858 Y CN2517858 Y CN 2517858Y CN 01276070 CN01276070 CN 01276070 CN 01276070 U CN01276070 U CN 01276070U CN 2517858 Y CN2517858 Y CN 2517858Y
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- sealing ring
- flow channel
- channel body
- ring
- 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
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- Earth Drilling (AREA)
Abstract
The utility model discloses a multi-directional flow device for the oil field workover treatment, and is characterized in that the multi-directional flow device consists of a retaining ring, an upper sealing ring, a sliding sleeve, a lower sealing ring, and a flow channel body, wherein, the retaining ring is arranged under a screw thread at the upper part of the flow channel body, playing the functions of limiting the sliding sleeve to upwards slide and positioning. The sliding sleeve is laid in the flow channel body, the upper sealing is arranged at the big diameter section position at the upper part of the sliding sleeve, a blind hole is arranged at the inner part of the sliding sleeve, a communicating hole is arranged on the side surface at the lower part of the sliding sleeve, and the inside and the outside of the sliding sleeve are mutually communicated. A communicating hole is arranged on the side surface of the flow channel body, and the lower sealing ring is arranged at the inner part. The device is used to be connected with the upper part of a helicoid hydraulic motor, the reverse circulating well cleanout of a pipe string of a drilling plug can be realized, fragments and sand drilled out of the drilling plug are flushed to the ground in a reverse circulation, and a lower pipe string is not required to flush the fragments and sand which are sunk at a well bottom. The quantity of the working procedure of the workover treatment of the device is less, the operation time is short, the labor intensity of workers is low, and the operation cost can be greatly reduced.
Description
One, technical field
The utility model is the multidirectional stream device that oil well repairing operation is used, and belongs to engineering goods.
Two, background technology
Oil field workover treatment in inclined shaft is bored when filling in, owing to bore plug power from the helicoid hydraulic motor that bores plug tubing string bottom, and helicoid hydraulic motor can only can not instead circulate in direct circulation, when well track is not straight, bore the fragment, the sand that have dashed in the plug and brought to well track and directly do not locate, easily form eddy current, can not bring to ground by drilled plug liquid, have to bore open and will bore the plug tubing string behind the stick harness and trip out, lower tubular column will sink fragment, the sand in shaft bottom and instead circulate and go out again.This workover treatment method operation is many, and the activity duration is long, and labor strength is big, the operating cost height.
Three, summary of the invention
The utility model provides a kind of multidirectional stream device, be connected helicoid hydraulic motor top with this device, can realize boring the anti-circulation well cleanup of plug tubing string, go out ground, not need again lower tubular column will sink fragment, the sand in shaft bottom and instead circulate and go out boring the anti-circulation of fragment, sand that gets out in the plug.
The purpose of this utility model be achieved in that it by back-up ring, go up sealing ring, sliding sleeve, lower seal, runner body and form.Back-up ring is installed under the screw thread of runner body top, plays sliding location on the restriction sliding sleeve.Sliding sleeve is placed in the runner body, and the outside has diameter poor on the sliding sleeve, forms a shoulder, and enlarged diameter section place, sliding sleeve top installs sealing ring, and there is an obstructed hole sliding sleeve inside, and the sliding sleeve lower side has linked hole, makes the inside and outside UNICOM of sliding sleeve.Diameter segment matches with sliding sleeve top enlarged diameter section under the inner installation of the runner body back-up ring, one shoulder is arranged under this section diameter, this shoulder cooperates with shoulder on the sliding sleeve, play restriction sliding sleeve slides downwards location, there is linked hole the side under this shoulder of runner body inside, reduced diameter section is arranged under the linked hole, the inner lower seal of installing of this reduced diameter section, this diameter segment matches with sliding sleeve lower diameter section.
This device is installed on the helicoid hydraulic motor that bores on the plug tubing string, and the liquid sliding sleeve inside of flowing through is dirty during work, flows out from the side linked hole of sliding sleeve bottom, flows to the helicoid hydraulic motor of bottom again.When boring the fragment that plug produces, when sand need be gone out, the ground anti-flushing well, fluid enters from the sleeve pipe that bores plug tubing string outside, carry fragment, side linked hole from the runner body of this device behind the sand enters in this device, make and bore the inside and outside pressure differential that produces of plug tubing string, this pressure differential promotes on the sliding sleeve sliding, on slide into sliding sleeve the upper surface contact with back-up ring, sliding sleeve is blocked, and no longer upwards slides, at this moment, the side linked hole of sliding sleeve bottom and the side linked hole UNICOM on the runner body enter fluid and bore plug tubing string inside, will bore the fragment that plug produces, sand carries out, thereby do not need running string again, with the heavy fragment in shaft bottom, the anti-circulation of sand is gone out.Adopt this device workover treatment operation few, the activity duration is short, and labor strength is low, can significantly reduce operating cost.
Four, description of drawings
Fig. 1 is the structure half sectional view of the multidirectional stream device of the utility model, and this moment can direct circulation, and fluid enters from top in the helicoid hydraulic motor of bottom, realizes boring the plug operation.
Fig. 2 is the anti-circulation time of the multidirectional stream device of the utility model, slides under the pressure differential effect half sectional view that makes after sliding behind the inside and outside UNICOM of the device state.
Each component code name among the figure: the 1st, back-up ring, the 2nd, last sealing ring, the 3rd, sliding sleeve, the 4th, lower seal, the 5th, runner body.
Five, the specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Referring to shown in Figure 1, the utility model is made up of back-up ring 1, last sealing ring 2, sliding sleeve 3, lower seal 4, runner body 5.Back-up ring 1 is installed under the runner body 5 top screw threads, plays sliding location on the restriction sliding sleeve 3.Sliding sleeve 3 is placed in the runner body 5, and the outside has diameter poor on the sliding sleeve 3, forms a shoulder, and enlarged diameter section place, sliding sleeve 3 top installs sealing ring 2, and there is an obstructed hole sliding sleeve 3 inside, and sliding sleeve 3 lower side have linked hole, makes sliding sleeve 3 inside and outside UNICOMs.Diameter segment matches with sliding sleeve 3 top enlarged diameter sections under the runner body 5 inner installation back-up rings 1, one shoulder is arranged under this section diameter, this shoulder cooperates with shoulder on the sliding sleeve 3, play restriction sliding sleeve 3 downslide location, there is linked hole the side under this shoulder of runner body 5 inside, reduced diameter section is arranged under the linked hole, the inner lower seal 4 of installing of this reduced diameter section, this diameter segment matches with sliding sleeve 3 lower diameter sections.
This device is installed on the helicoid hydraulic motor that bores on the plug tubing string, and the liquid sliding sleeve 3 of flowing through is inner dirty during work, flows out from the side linked hole of sliding sleeve 3 bottoms, flows to the helicoid hydraulic motor of bottom again.When boring the fragment that plug produces, when sand need be gone out, the ground anti-flushing well, fluid enters from the sleeve pipe that bores plug tubing string outside, carry fragment, side linked hole from the runner body 5 of this device behind the sand enters in this device, make and bore the inside and outside pressure differential that produces of plug tubing string, this pressure differential promotes on the sliding sleeve 3 sliding, on slide into sliding sleeve 3 the upper surface contact with back-up ring 1, sliding sleeve 3 is blocked, no longer upwards slide, at this moment, the side linked hole of sliding sleeve 3 bottoms and the side linked hole UNICOM on the runner body 5, as shown in Figure 2, fluid is entered bore plug tubing string inside, the fragment that plug produces will be bored, sand carries out, thereby does not need running string again, with the heavy fragment in shaft bottom, the anti-circulation of sand is gone out.Adopt this device workover treatment operation few, the activity duration is short, and labor strength is low, can significantly reduce operating cost.
Claims (2)
1, the multidirectional stream device used of a kind of oil well repairing operation, it is characterized in that forming by back-up ring (1), last sealing ring (2), sliding sleeve (3), lower seal (4), runner body (5), back-up ring (1) is installed under the screw thread of runner body (5) top, sliding sleeve (3) is placed in the runner body (5), sliding sleeve (3) is gone up the outside has diameter poor, form a shoulder, enlarged diameter section place, sliding sleeve (3) top installs sealing ring (2), there is linked hole runner body (5) side, reduced diameter section is arranged, the inner lower seal (4) of installing of this reduced diameter section under the linked hole.
2, multidirectional stream device according to claim 1 is characterized in that there is an obstructed hole sliding sleeve (3) inside, and sliding sleeve (3) lower side has linked hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276070 CN2517858Y (en) | 2001-11-19 | 2001-11-19 | Polymodel current appts. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276070 CN2517858Y (en) | 2001-11-19 | 2001-11-19 | Polymodel current appts. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2517858Y true CN2517858Y (en) | 2002-10-23 |
Family
ID=33680314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01276070 Expired - Fee Related CN2517858Y (en) | 2001-11-19 | 2001-11-19 | Polymodel current appts. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2517858Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308567C (en) * | 2005-03-21 | 2007-04-04 | 中国海洋石油总公司 | Fluid backward injection short joint |
| CN104499987A (en) * | 2014-12-10 | 2015-04-08 | 宝鸡瑞通石油装备有限公司 | Novel full-flow area sliding sleeve switch |
| CN105569589A (en) * | 2016-03-10 | 2016-05-11 | 东营市海天石油科技有限责任公司 | Follow-up sand-pump device |
| CN109138917A (en) * | 2017-06-28 | 2019-01-04 | 中国石油化工股份有限公司 | It is a kind of to set sliding sleeve and the fracturing string comprising it |
| CN109779547A (en) * | 2019-02-14 | 2019-05-21 | 中海油能源发展股份有限公司工程技术分公司 | A kind of down-hole fluid flow commutation tool |
-
2001
- 2001-11-19 CN CN 01276070 patent/CN2517858Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308567C (en) * | 2005-03-21 | 2007-04-04 | 中国海洋石油总公司 | Fluid backward injection short joint |
| CN104499987A (en) * | 2014-12-10 | 2015-04-08 | 宝鸡瑞通石油装备有限公司 | Novel full-flow area sliding sleeve switch |
| CN105569589A (en) * | 2016-03-10 | 2016-05-11 | 东营市海天石油科技有限责任公司 | Follow-up sand-pump device |
| CN109138917A (en) * | 2017-06-28 | 2019-01-04 | 中国石油化工股份有限公司 | It is a kind of to set sliding sleeve and the fracturing string comprising it |
| CN109138917B (en) * | 2017-06-28 | 2020-09-22 | 中国石油化工股份有限公司 | Setting sliding sleeve and fracturing string comprising same |
| CN109779547A (en) * | 2019-02-14 | 2019-05-21 | 中海油能源发展股份有限公司工程技术分公司 | A kind of down-hole fluid flow commutation tool |
| CN109779547B (en) * | 2019-02-14 | 2022-02-15 | 中海油能源发展股份有限公司 | Downhole liquid flow reversing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Tian Qingguo Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |