CN2471927Y - Oil production device for sand washover and without killing well - Google Patents
Oil production device for sand washover and without killing well Download PDFInfo
- Publication number
- CN2471927Y CN2471927Y CN 01218365 CN01218365U CN2471927Y CN 2471927 Y CN2471927 Y CN 2471927Y CN 01218365 CN01218365 CN 01218365 CN 01218365 U CN01218365 U CN 01218365U CN 2471927 Y CN2471927 Y CN 2471927Y
- Authority
- CN
- China
- Prior art keywords
- valve
- kill
- job
- adapter
- sand surfing
- 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
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a sand flushing and no-killing oil production system, which comprises a release packer device, a no-killing device, a connector assembly and a sand flushing device. The lower end of the killing device is connected with the sand flushing device through the tubing collar. The upper end of the no-killing device is connected with the release packer device and the upper end of the release packer device is connected with the connect assembly. The radial hole is arranged on the wall of the banded pipe in the sand flushing device, with non-return valve in the radial hole, the no-killing device comprises a joint, a housing, a coreless valve, a valve ball and a lower joint. The upper and lower of the casing are thread connected with the upper joint and the lower joint, with an upper valve seat, a coreless valve, a lower valve seat, a valve ball and a pressure spring seat in the casing and the upper and lower joints. The external spherical surface of the coreless valve is tightly connected with the internal spherical surface of the hollow plunger and the insert tube through the sealing ring of the coreless valve. The valve ball is connected with the valve port and the pressure spring is arranged between the valve ball and the pressure spring seat. Flushing can be done during the oil producing operation, which can simplify the operation and enhance the efficiency.
Description
But the utility model relates to a kind of not kill-job of sand surfing extracting device of oil, and main fuel feeding field is used for going out the usefulness that the shaft bottom is husky and prevent blowout when recover petroleum.
Prior art is: in oil recovery process, when the shaft bottom occurs too much when husky, after needing to take out extracting device of oil, put down blast tube specially, injection pressure liquid after shaft bottom sand gone out, takes out blast tube, relays down extracting device of oil with the continuation recover petroleum.When taking out extracting device of oil with the termination oil recovery, need injection pressure water or mud, to push down the ejection of downhole oil stream, prevent blowout.Its weak point is: sand washing and kill-job complex operation; Have a strong impact on normal oil recovery and cause huge economy (stopping production) loss.
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and but a kind of not kill-job of the sand surfing extracting device of oil that can finish not kill-job and sand surfing simultaneously is provided.
The purpose of this utility model can reach by following measure: the utility model is by the packing device of giving up, not kill-job device, adapter assembly and sand surfing device are formed, not kill-job device lower end is connected with the sand surfing device by tubing coupling, not kill-job device upper end is connected with the packing device of giving up, give up packing device upper end is connected with adapter assembly, on the banded penstock wall of sand surfing device radial hole is arranged, one way valve is housed in the radial hole, not kill-job device comprises top connection, housing, hollow core valve, valve ball and lower contact, on the housing upper and lower side has been threaded, lower contact, housing and last, the lower contact inner chamber is equipped with upper valve base, hollow core valve, lower valve base, valve ball and press spring base, the hollow core valve spherical outside surface is by hollow core valve sealing ring and hollow plunger, the connection that is sealed and matched of the Internal Spherical Surface of insertion tube, the connection that is sealed and matched of the valve port spare of the upper and lower valve seat of valve ball has stage clip between valve ball and the press spring base.
The production adapter assembly of adapter assembly is made up of tee junction and apical grafting head, and the tee junction middle part has radial direction through hole and apical grafting head radial direction through hole to be communicated with, and has axially extending bore and hollow stem exocoel to be communicated with in the tee junction.
The back-off sub assembly of adapter assembly is made up of adapter sleeve, sliding sleeve, lock dog, push rod and pipe close, sliding sleeve is housed in the adapter sleeve, and sliding sleeve withstands lock dog, the adapter sleeve lower end push rod that is threaded, the liquid pass hole and the radial hole of push rod upper end are communicated with push rod lower end screw nipple plug.
The fishing joint assembly of adapter assembly is made up of plunger, voussoir and adapter sleeve, and voussoir is set in outside the plunger wedge end, and voussoir pushes up the subsides lock dog outward.
The drawing of accompanying drawing is described as follows:
Fig. 1 analyses and observe total figure for the utility model, and under the left in succession figure of middle figure, under the middle in succession figure of right figure, shown adapter assembly is the production adapter assembly;
Fig. 2 is the sectional view of not kill-job of the utility model device;
Fig. 3 throws in the total figure of analysing and observe of state that gives up for the utility model, and the left in succession figure of right figure down;
Fig. 4 is the sectional view of the utility model back-off sub assembly;
Fig. 5 is the sectional view of fishing joint assembly.
The accompanying drawing piece number is represented:
1, top connection 2, housing 3, upper valve base
4, hollow core valve 5, hollow plunger sealing ring 6, hollow core valve sealing ring
7, hollow plunger 8, insertion tube 9, lower valve base
10, valve ball 11, trim ring 12, stage clip
13, lower contact 14, press spring base 15, tubing coupling
16, screen casing 17, plug 18, the packing device of giving up
19, not kill-job device 20, sand surfing device 21, production adapter assembly
22, hole 23, aperture 24, hollow stem
25, bottom outlet 26, one way valve 27, aperture
28, sleeve pipe 29, joint 30, tee junction
31, sealing ring 32, axially extending bore 33, adapter sleeve
34, sealing ring 35, sliding sleeve 36, stop screw
37, lock dog 38, sealing ring 39, push rod
40, pipe close 41, top connection 42, sealing ring
43, back-off sub assembly 44, radial hole 45, hollow pipe close
46, fishing joint assembly 47, plunger 48, voussoir
49, adapter sleeve 50, screw 51, stop screw
52, top connection 53, sealing ring 54, sealing ring
Below in conjunction with embodiment and accompanying drawing the utility model is done into not go up to describe in detail:
In the oil exploitation process, earlier with under the extracting device of oil launching trap, the adapter assembly of this moment adopts (input) adapter assembly of giving up, enter campaign after the input, the adapter assembly of this moment adopts produces adapter assembly, and when needing to salvage, the adapter assembly of this moment adopts the fishing joint assembly.
Fig. 1 represents the utility model structure of (campaign), is made up of the packing device 18 of giving up, not kill-job device 19, production adapter assembly 21 and sand surfing device 20.The packing device of giving up can adopt applicant's the granted patent (hydraulic bidirectional anchoring packer) or the prior art of identical function, mainly plays grappling and packing effect.
The structure of sand surfing device is also further referring to Fig. 2, and the sand surfing device is installed on lower end of the present utility model, and the lower contact 13 by tubing coupling 15 and not kill-job device 19 is connected.The sand surfing device is made of screen casing 16 and plug 17, and the multilayer annular hole 22 of laying is radially arranged on the screen casing arm, and one way valve 26 is housed in the hole, and husky and liquid can only flow out from inside to outside from screen casing, and can not adverse current, and one way valve is a prior art.The screen casing bottom plug that has been threaded.
The not kill-job device top packing device 18 of giving up that is threaded, the packing device top and produce adapter assembly 21 and be threaded of giving up produces adapter assembly top and oil pipe (representing on the figure) and is connected.
When depositing in screen casing to surpass, shaft bottom sand allows height and need carry out sand surfing the time, the aperture 23 of pressurised fluid stream through producing adapter assembly enters in the hollow stem 24, and flows out from hollow stem bottom outlet 25, enter screen casing, sand in the screen casing is outwards gone out, upwards flowed out outer wellhead, to finish the sand surfing operation.After the sand washing, the pressurised fluid stream that stops well head enters, and down-hole crude oil again can be in the cavity between sleeve pipe 28 and the utility model, and 27 enter and flow to well head outside the hollow stem from the aperture, recovers the oil continuing.
The structure of not kill-job device sees Fig. 2 for details, mainly is made up of top connection 1, housing 2, hollow core valve 4, valve ball 10 and lower contact 13.Housing upper end and top connection are threaded, and housing lower end and lower contact are threaded.The top connection upper end is connected with the packing device of giving up.There is the conical surface the outer upper end of hollow core valve, and the upper valve base 3 in this conical surface and the shell cooperates to finish sealing operation.Hollow core valve bottom cylindrical is a sphere, and the hollow plunger 7 in this sphere and the shell and the Internal Spherical Surface of insertion tube 8 cooperate, and by hollow core valve sealing ring 6 to seal.Between hollow plunger and the shell by hollow plunger sealing ring 5 to seal.Insertion tube lower lumen in the shell is equipped with lower valve base 9, and 10 sealings contact the valve port of lower end with valve ball in the lower valve base, and lower thread is connected with trim ring 11 in the insertion tube, and the past lower valve base of planar top is with thrust on the trim ring.In the lower contact 13 seam is arranged, press spring base 14 is housed in the seam, stage clip 12 is arranged between press spring base and the valve ball.
When need prevented blowout, stage clip 12 is the effect of elastic force upwards, with valve ball together with lower valve base, insertion tube, hollow core valve together with hollow plunger jack-up upwards, make the sealing of hollow core valve top and upper valve base.Oil stream in shaft bottom can not be through the aperture 27 enters, and has reached the purpose that prevents blowout.
Produce the structure of adapter assembly 21 and see Fig. 1, form by tee junction 30, joint 29 and hollow stem 24.The upper end has screw thread to be connected with oil pipe in the tee junction, outer bottom cooperates by sealing ring 31 and joint bore seal, the middle part has the radial direction through hole of radial direction through hole 23 and joint to be communicated with, there are axially extending bore 32 and hollow stem 24 exocoels to be communicated with in an eccentric side, the tee junction lower end hollow stem that is threaded, the hollow stem lower end hollow pipe close 45 that is threaded.
Fig. 3 and Fig. 4 represent the utility model input structure, and adapter assembly changes back-off sub assembly 43 into, mainly is made up of adapter sleeve 33, sliding sleeve 35, lock dog 37, push rod 39 and pipe close 40.Be set with adapter sleeve 33 in the joint 29, be set with sliding sleeve 35 in the adapter sleeve, cylindrical has the cavity 55 for the lock dog withdrawal under the sliding sleeve, sliding sleeve withstands the lock dog 37 that radially is loaded in the adapter sleeve, and the conehead insert that makes lock dog is in the taper hole of joint, to reach the fixedly connected adapter sleeve 33 of joint, connecting has stop screw 36 to be loaded in the sliding sleeve respective aperture to carry out spacing to sliding sleeve on the jacket wall.Adapter sleeve upper end screw thread is connected with top connection 41, and the top connection top connects oil pipe (not expression on the figure).Sealing ring 34 and 38 are arranged between sliding sleeve and the adapter sleeve, sealing ring 42 is arranged between adapter sleeve and the top connection.The adapter sleeve lower end push rod 39 that is threaded, push rod upper end have liquid pass hole and push rod radial hole 44 to be communicated with.Push rod lower end screw thread is connected with pipe close 40.
Before the oil recovery, the hollow core valve top and the upper valve base of not kill-job device 19 are in sealing state.Throw in back-off sub assembly down, and from well head injection pressure liquid stream down, sliding sleeve 35 is to lower slider and cut off stop screw 36, flowing hole and radial hole 44 on the push rod of pressurised fluid stream footpath, it is descending and promote the insertion tube 8 of not kill-job device to drive pipe close, hollow plunger 7 moves down together with hollow core valve, and the down-hole oil 27 enters and flows to well head to recover the oil through the aperture in the cavity between sleeve pipe and the utility model.Meanwhile, sliding sleeve moves down in order to lock dog and is retracted in the corresponding cavity 55 of sliding sleeve, at this moment, can upwards promote the back-off sub assembly, is replaced with to produce adapter assembly 21, to enter ordinary production (oil recovery) phase.In campaign, can under the feelings that do not stop to recover the oil, carry out sand washing, see for details aforementioned.
When need salvaging, adapter assembly changes fishing joint assembly 46 (see figure 5)s into, and the fishing joint assembly is packed in the joint 29, and mainly by plunger 47, voussoir 48 and adapter sleeve 49 are formed.Voussoir has two, is set with outside the wedge end of plunger bottom, and voussoir pushes up outward and pastes lock dog 37, and lock dog is connected on the voussoir by screw 50.It is spacing that adapter sleeve top has stop screw 51 to be screwed into filling in row with coupled columns in the plunger, and the top connection 52 that is threaded of adapter sleeve top has sealing ring 53 between plunger and the adapter sleeve, sealing ring 54 is arranged between adapter sleeve and the top connection.
During salvaging, injection pressure liquid in the top connection 52, plunger descending (cutting off stop screw), it is overhanging together with lock dog to drive voussoir, with the locking adapter sleeve.Promote oil pipe then, salvage well, to finish fishing together with top connection and complete unit.
The utility model contrast prior art has following advantage:
Sand surfing can be finished when not stopping oil producing operation; Simplify operation, improved benefit.
Claims (4)
1, but a kind of not kill-job of sand surfing extracting device of oil, it is characterized in that: by the packing device of giving up, not kill-job device, adapter assembly and sand surfing device are formed, not kill-job device lower end is connected with the sand surfing device by tubing coupling, not kill-job device upper end is connected with the packing device of giving up, give up packing device upper end is connected with adapter assembly, on the banded penstock wall of sand surfing device radial hole is arranged, one way valve is housed in the radial hole, not kill-job device comprises top connection, housing, hollow core valve, valve ball and lower contact, on the housing upper and lower side has been threaded, lower contact, housing and last, the lower contact inner chamber is equipped with upper valve base, hollow core valve, lower valve base, valve ball and press spring base, the hollow core valve spherical outside surface is by hollow core valve sealing ring and hollow plunger, the connection that is sealed and matched of the Internal Spherical Surface of insertion tube, the connection that is sealed and matched of the valve port spare of the upper and lower valve seat of valve ball has stage clip between valve ball and the press spring base.
But 2, not kill-job of sand surfing extracting device of oil according to claim 1, it is characterized in that, the production adapter assembly of adapter assembly is made up of tee junction and apical grafting head, the tee junction middle part has radial direction through hole and apical grafting head radial direction through hole to be communicated with, and has axially extending bore and hollow stem exocoel to be communicated with in the tee junction.
But 3, not kill-job of sand surfing extracting device of oil according to claim 1, it is characterized in that, the back-off sub assembly of adapter assembly is made up of adapter sleeve, sliding sleeve, lock dog, push rod and pipe close, sliding sleeve is housed in the adapter sleeve, sliding sleeve withstands lock dog, the adapter sleeve lower end push rod that is threaded, the liquid pass hole and the radial hole of push rod upper end are communicated with push rod lower end screw nipple plug.
4, but not kill-job of sand surfing extracting device of oil according to claim 1 is characterized in that, the fishing joint assembly of adapter assembly by plunger wedge, voussoir and adapter sleeve form, voussoir is set in outside the plunger end, voussoir pushes up the subsides lock dog outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218365 CN2471927Y (en) | 2001-03-28 | 2001-03-28 | Oil production device for sand washover and without killing well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218365 CN2471927Y (en) | 2001-03-28 | 2001-03-28 | Oil production device for sand washover and without killing well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2471927Y true CN2471927Y (en) | 2002-01-16 |
Family
ID=33636417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01218365 Expired - Fee Related CN2471927Y (en) | 2001-03-28 | 2001-03-28 | Oil production device for sand washover and without killing well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2471927Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541686A (en) * | 2013-10-08 | 2014-01-29 | 安东石油技术（集团）有限公司 | Switchable reverse circulation valve |
| CN103541685A (en) * | 2013-10-08 | 2014-01-29 | 安东石油技术（集团）有限公司 | Reverse circulation valve allowing opening and closing |
| CN106246138A (en) * | 2016-10-01 | 2016-12-21 | 中国石油化工股份有限公司 | Down-hole mechanical formula switching ball |
-
2001
- 2001-03-28 CN CN 01218365 patent/CN2471927Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541686A (en) * | 2013-10-08 | 2014-01-29 | 安东石油技术（集团）有限公司 | Switchable reverse circulation valve |
| CN103541685A (en) * | 2013-10-08 | 2014-01-29 | 安东石油技术（集团）有限公司 | Reverse circulation valve allowing opening and closing |
| CN106246138A (en) * | 2016-10-01 | 2016-12-21 | 中国石油化工股份有限公司 | Down-hole mechanical formula switching ball |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1289782C (en) | Recirculatable ball drop release device for lateral oilwell drilling applications | |
| CN101187305B (en) | Single pipe co-well oil-pumping and water-injecting system | |
| CN2471927Y (en) | Oil production device for sand washover and without killing well | |
| CN201013335Y (en) | Water injection well pressure-working technique pipe column | |
| CN111577204B (en) | Underground cascade sliding sleeve system | |
| CN116816308A (en) | Oil-free pipe paraffin removal lifting device for small-bore shale oil well | |
| CN211115941U (en) | Injection-production communicating vessel and injection-production-down-production process pipe column | |
| CN101581293B (en) | Self-lubricating string for rod and tubing wear prevention and sucker rod pumping of inclined wells | |
| CN204040993U (en) | A kind of backwashing wells steel frame expanding water injecting packer | |
| CN114607289A (en) | Electric pump and jet pump combined lifting process pipe column suitable for high sand content and using method thereof | |
| CN210598904U (en) | Oil pipe plug | |
| CN211950364U (en) | Coal bed gas drainage and production pipe column | |
| CN200949450Y (en) | Multifunctional oil producing special tool | |
| CN107401383A (en) | A kind of underground pressurizing device | |
| CN2846741Y (en) | Sand proof tubular pole for water injection well | |
| CN208777954U (en) | A kind of anti-flushing well sand-settling device | |
| CN208816087U (en) | A kind of Operating Pressure blowout prevention valve | |
| CN206707993U (en) | Retrievable type Multipurpose standing valve for oil-well pump | |
| CN2611585Y (en) | Anti-pollution check valve for offshore oil field | |
| CN2787822Y (en) | Step-by-step releasable packer | |
| CN217813392U (en) | Annulus protection packer | |
| CN1372067A (en) | Method for thermal producing ultrathick oil by cyclic steam stimulation and special apparatus thereof | |
| CN111255376B (en) | Extension casing running device of coal bed gas horizontal well | |
| CN2750037Y (en) | Acidification packer | |
| CN217106894U (en) | Sand washing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |