CN203547641U - Coiled tubing hanging and sealing device - Google Patents
Coiled tubing hanging and sealing device Download PDFInfo
- Publication number
- CN203547641U CN203547641U CN201320695773.7U CN201320695773U CN203547641U CN 203547641 U CN203547641 U CN 203547641U CN 201320695773 U CN201320695773 U CN 201320695773U CN 203547641 U CN203547641 U CN 203547641U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing device
- jackscrew
- lower body
- seal
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 166
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 17
- 241001633942 Dais Species 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 5
- 238000010793 Steam injection (oil industry) Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model relates to the technical field of coiled tubing fixing devices and provides a coiled tubing hanging and sealing device. The coiled tubing hanging and sealing device comprises an upper body, a lower body, an upper slip and a lower slip. The upper body and the lower body are fixedly installed together. An upper seal installing ring table is arranged on the inner side of the middle of the upper body. An upper combination sealing device is fixedly installed in the upper seal installing ring table. A compression ring table is arranged on the portion, above the upper seal installing ring table, of the inner side of the upper body, wherein the diameter of the compression ring table is larger than that of the upper seal installing ring table. The coiled tubing hanging and sealing device is reasonable and compact in structure and convenient to use; due to the arrangement of the upper slip and the lower slip, a coiled tubing column can be hung and fixed; the upper combination sealing device, a middle combination sealing device and a lower combination sealing device play a good role in sealing the coiled tubing column fixed in the upper body and the lower body, as a result, an underground temperature field is effectively protected, the safety factor of testing operation under pressure is increased, and time for dismantling the coiled tubing column and a testing tool is greatly shortened.
Description
Technical field
the utility model relates to coiled tubing fastening devices technical field, is a kind of coiled tubing suspension sealing device.
Background technology
the on-the-spot heavy crude heat extraction of Xinjiang Oilfield mainly adopts the mode of recovering the oil to stratum heat injection steam drive at present.According to the needs of SAGD oil production technology, the producing well in use adopts double pipe structure to carry out steam injection and production at present, and double pipe structure comprises supervisor and looped pipeline, has oblique test lead on production tree.For the SAGD exploitation producing well in early stage, need to carry out a period of time the circulation steam injection stage of (being generally 3 to 6 months), when reaching after SAGD oil production technology requires, proceed to the production phase.When producing well is in steam injection during the stage in early stage, supervisor's steam injection, looped pipeline discharge opeing, producing well proceeded to after the production phase, and in supervisor, suspension oil well pump is adopted liquid, from oblique test lead, is lowered to coiled tubing and testing tool, realizes the collection of downhole data.Operating mode (high temperature, high pressure) in view of SAGD producing well, if realize being lowered to of testing tool by kill-job, to established thermal field in production fluid passage and well be caused significantly and be destroyed, and process cycle be long, and production operation is caused to great adverse effect.The 26S Proteasome Structure and Function of oblique test lead is transformed at present, and tentatively meet the condition that is lowered to testing tool with pressure, after transformation, under the condition of structure, by preventer is installed, can only realize sealing function, and cannot hang continuous tubing string, be therefore not easy to carry out test jobs.
Summary of the invention
the utility model provides a kind of coiled tubing suspension sealing device, overcome the deficiency of above-mentioned prior art, it can effectively solve failing that existing extracting device of oil exists in SAGD oil recovery process and under condition with pressure, hang the problem that continuous tubing string carries out test jobs.
the technical solution of the utility model realizes by following measures: a kind of coiled tubing suspension sealing device, comprise upper body, lower body, upper slips and lower slips, upper body and lower body are fixedly installed togather, on having, the inner side, middle part of upper body seals erection loop platform, in upper sealing erection loop platform, be installed with combination sealing arrangement, there is diameter to be greater than to seal the hold-down ring platform of erection loop platform diameter upper body above upper sealing erection loop platform inner side, on hold-down ring platform, be fixed with the hold down gag of combination sealing arrangement in compression, lower inside restraining position ring block platform at hold down gag, upper slips is fixed on limited ring dais, upper inner at lower body has lower slips, on the lower body corresponding with lower slips lower outside, be radially fixed with the first jackscrew sealing device that is no less than two, first the inner of jackscrew sealing device and the lower outside of lower slips are fitted together, limited location Ka Tai inside the middle part of lower body, lower body inner side in limiting card platform upper end is fixed with middle combination sealing arrangement, in the bottom of lower body, be radially fixed with the second jackscrew sealing device that is no less than two, the inner of the second jackscrew sealing device is positioned at the inside of lower body, between limiting card platform and the inner of the second jackscrew sealing device, be fixed with lower combination sealing arrangement.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
the longitudinal cross-section on above-mentioned upper slips top can be up-narrow and down-wide taper, upper inner at upper slips has crown only upper teeth down, on the top of upper slips, circumferentially there is the upper retraction slot that is no less than two, upper retraction slot opening up, hold down gag comprises inner nut and outer nut, inner nut and outer nut are fixedly installed togather by screw thread, outer nut is fixedly installed togather by the upper inner of screw thread and upper body, lower inside one restraining position ring block platform at outer nut, upper slips is fixedly mounted on limited ring dais, lower inside at inner nut has the spacing frustum corresponding with upper slips upper outside, the top of upper slips holds out against in spacing frustum.
the lower inside of above-mentioned lower slips can have crown only lower teeth upward, lower outside at lower slips has the locking slot inner corresponding with the first jackscrew sealing device, it is interior narrow outer wide fan-shaped that locking slot is, the inner of the first jackscrew sealing device holds out against in locking slot, upper outside at lower slips has the fixed head that is no less than two along circumference one, upper inner at lower body has the holddown groove corresponding with fixed head, fixedly panel seat is in holddown groove, in lower slips bottom, circumferentially there is the lower retraction slot that is no less than two, lower retraction slot opening down.
above-mentioned upper combination sealing arrangement can comprise the first gasket ring and the second gasket ring, has the rectangular seal and the U-shaped sealing ring that are no less than one between the first gasket ring and the second gasket ring, and rectangular seal and U-shaped sealing ring are alternately distributed; Middle combination sealing arrangement comprises upper press ring and gasket ring, between upper press ring and gasket ring, there are the rectangular seal and the U-shaped sealing ring that are no less than one, rectangular seal and U-shaped sealing ring are alternately distributed, on the lower body with corresponding outside upper press ring, be radially installed with the 3rd jackscrew sealing device that is no less than, the 3rd the inner of jackscrew sealing device and the outside of upper press ring are fitted together; Lower combination sealing arrangement comprises gasket ring and lower pressure ring, between gasket ring and lower pressure ring, there is rectangular seal and the U-shaped sealing ring that is no less than, rectangular seal and U-shaped sealing ring are alternately distributed, and the outside of the inner of the second jackscrew sealing device and lower pressure ring is fitted together.
on the above-mentioned lower body corresponding with limiting card platform, can there is the radially greasing hole communicating with lower body interior, radially in greasing hole, by screw thread, be installed with greasing plug; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew, auxiliary seal ring and seal plug, auxiliary seal ring holds out against the outside, middle part at jackscrew, seal plug is fixed on the outside, outer end of jackscrew, and the inner of seal plug and the outer end of auxiliary seal ring are fitted together; Or/and, between upper body and lower body, be installed with the ring gasket together with being no less than, or/and the lower end of the upper end of upper body and lower body is all installed with adjusting nut, upper body and lower body are fixedly installed togather by adjusting nut.
the utility model reasonable and compact in structure; easy to use; the setting of upper slips and lower slips can be played the fixing effect of hanging to continuous tubing string; arranging being fixed on upper body and lower intrinsic continuous tubing string is brought into play good sealing function of upper combination sealing arrangement, middle combination sealing arrangement and lower combination sealing arrangement; effectively protected downhole temperature field; the safety factor that has increased pressure test operation, has greatly shortened the time that removes continuous tubing string and testing tool.
Accompanying drawing explanation
accompanying drawing 1 is looked half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 is that the master of upper slips in accompanying drawing 1 looks half perspective structure schematic diagram.
the structural representation of looking up that accompanying drawing 3 is lower slips in accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is upper body, 2 is lower body, 3 is upper slips, 4 is lower slips, 5 is limiting card platform, upper teeth till 6, 7 is upper retraction slot, 8 is inner nut, 9 is outer nut, lower teeth till 10, 11 is locking slot, 12 is fixed head, 13 is lower retraction slot, 14 is the first gasket ring, 15 is the second gasket ring, 16 is rectangular seal, 17 is U-shaped sealing ring, 18 is upper press ring, 19 is gasket ring, 20 is lower pressure ring, 21 is greasing hole radially, 22 is greasing plug, 23 is jackscrew, 24 is auxiliary seal ring, 25 is seal plug, 26 is ring gasket, 27 is adjusting nut, 28 is continuous tubing string.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1 to 3, this coiled tubing suspension sealing device comprises upper body 1, lower body 2, upper slips 3 and lower slips 4, upper body 1 is fixedly installed togather with lower body 2, on having, the inner side, middle part of upper body 1 seals erection loop platform, in upper sealing erection loop platform, be installed with combination sealing arrangement, there is diameter to be greater than to seal the hold-down ring platform of erection loop platform diameter upper body 1 inner side above upper sealing erection loop platform, on hold-down ring platform, be fixed with the hold down gag of combination sealing arrangement in compression, lower inside restraining position ring block platform at hold down gag, upper slips 3 is fixed on limited ring dais, upper inner at lower body 2 has lower slips 4, on the lower body 2 corresponding with lower slips 4 lower outsides, be radially fixed with the first jackscrew sealing device that is no less than two, the lower outside of the inner of the first jackscrew sealing device and lower slips 4 is fitted together, limited location card platform 5 inside the middle part of lower body 2, lower body 2 inner sides in limiting card platform 5 upper ends are fixed with middle combination sealing arrangement, in the bottom of lower body 2, be radially fixed with the second jackscrew sealing device that is no less than two, the inner of the second jackscrew sealing device is positioned at the inside of lower body 2, between limiting card platform 5 and the inner of the second jackscrew sealing device, be fixed with lower combination sealing arrangement.The setting of upper slips 3 and lower slips 4 can be played the fixing effect of hanging to continuous tubing string 28; arranging of upper combination sealing arrangement, middle combination sealing arrangement and lower combination sealing arrangement brought into play good sealing function to being fixed on upper body 1 with the continuous tubing string 28 in lower body 2; effectively protected downhole temperature field; increase the safety factor of pressure test operation, greatly shortened the time that removes continuous tubing string 28 and testing tool.
can according to actual needs, above-mentioned coiled tubing suspension sealing device be made further optimization and/or improvements:
as shown in accompanying drawing 1 to 3, the longitudinal cross-section on upper slips 3 tops is up-narrow and down-wide taper, upper inner at upper slips 3 has crown only upper teeth 6 down, on the top of upper slips 3, circumferentially there is the upper retraction slot 7 that is no less than two, upper retraction slot 7 opening up, hold down gag comprises inner nut 8 and outer nut 9, inner nut 8 and outer nut 9 are fixedly installed togather by screw thread, outer nut 9 is fixedly installed togather by the upper inner of screw thread and upper body 1, lower inside one restraining position ring block platform at outer nut 9, upper slips 3 is fixedly mounted on limited ring dais, lower inside at inner nut 8 has the spacing frustum corresponding with upper slips 3 upper outside, the top of upper slips 3 holds out against in spacing frustum.Only upper teeth 6 can firmly be stuck in continuous tubing string 28 in upper body 1, and the setting of upper retraction slot 7 can be when tightening inner nut 8 and outer nut 9, and radial contraction occurs on the top of upper slips 3, further improves the fixation of 3 pairs of continuous tubing strings 28 of upper slips.
as shown in accompanying drawing 1 to 3, lower inside at lower slips 4 has crown only lower teeth 10 upward, lower outside at lower slips 4 has the locking slot 11 inner corresponding with the first jackscrew sealing device, it is interior narrow outer wide fan-shaped that locking slot 11 is, the inner of the first jackscrew sealing device holds out against in locking slot 11, upper outside at lower slips 4 has the fixed head 12 that is no less than two along circumference one, upper inner at lower body 2 has the holddown groove corresponding with fixed head 12, 12 of fixed heads are in holddown groove, in lower slips 4 bottoms, circumferentially there is the lower retraction slot 13 that is no less than two, lower retraction slot 13 opening down.The setting of locking slot 11 can be securely fixed in lower slips 4 in lower body 2, and the setting of holddown groove and fixed head 12 can further improve the stability maintenance of lower slips 4 in lower body 2; The setting of lower retraction slot 13 can be when the first jackscrew sealing device locking lower slips 4, and radial contraction occurs in the bottom of lower slips 4, further improves the fixation of 4 pairs of continuous tubing strings 28 of lower slips.
as shown in accompanying drawing 1 to 3, upper combination sealing arrangement comprises the first gasket ring 14 and the second gasket ring 15, has rectangular seal 16 and the U-shaped sealing ring 17 that is no less than between the first gasket ring 14 and the second gasket ring 15, and rectangular seal 16 and U-shaped sealing ring 17 are alternately distributed; Middle combination sealing arrangement comprises upper press ring 18 and gasket ring 19, between upper press ring 18 and gasket ring 19, there are the rectangular seal 16 and the U-shaped sealing ring 17 that are no less than one, rectangular seal 16 and U-shaped sealing ring 17 are alternately distributed, on the lower body 2 corresponding with upper press ring 18 outsides, be radially installed with the 3rd jackscrew sealing device that is no less than, the outside of the inner of the 3rd jackscrew sealing device and upper press ring 18 is fitted together; Lower combination sealing arrangement comprises gasket ring 19 and lower pressure ring 20, between gasket ring 19 and lower pressure ring 20, there is rectangular seal 16 and the U-shaped sealing ring 17 that is no less than, rectangular seal 16 and U-shaped sealing ring 17 are alternately distributed, and the outside of the inner of the second jackscrew sealing device and lower pressure ring 20 is fitted together.The first gasket ring 14, the second gasket ring 15, rectangular seal 16, U-shaped sealing ring 17, upper press ring 18, gasket ring 19 and lower pressure ring 20 are existing known technology; Can further improve sealing performance of the present utility model.
as shown in accompanying drawing 1 to 3, on the lower body 2 corresponding with limiting card platform 5, there is the radially greasing hole 21 communicating with lower body 2 inside, radially in greasing hole 21, by screw thread, be installed with greasing plug 22; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew 23, auxiliary seal ring 24 and seal plug 25, auxiliary seal ring 24 holds out against the outside, middle part at jackscrew 23, seal plug 25 is fixed on the outside, outer end of jackscrew 23, and the outer end of the inner of seal plug 25 and auxiliary seal ring 24 is fitted together; Or/and, between upper body 1 and lower body 2, be installed with the ring gasket 26 together with being no less than.By can further improving sealing performance of the present utility model to the interior injection stop-leak compound in greasing hole 21 radially; The setting of auxiliary seal ring 24 and seal plug 25 can be played the effect of sealing.
as shown in accompanying drawing 1 to 3, in the upper end of upper body 1 and the lower end of lower body 2, be all installed with adjusting nut 27, upper body 1 is fixedly installed togather by adjusting nut 27 with lower body 2.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: first, before being lowered to continuous tubing string 28, lower body 2 lower ends are fixedly installed togather by adjusting nut 27 and the test gate valve (in closed condition) of oblique test lead, at the upper end of lower body 2 fixed installation preventer, then continuous tubing string 28 is sequentially also arrived to the outside of testing flashboard for sluice valve through preventer and lower body 2, adjust preventer, open test gate valve, continuous tubing string 28 is lowered to precalculated position, regulate four the second jackscrew sealing devices by lower slips 4 pretensions, make the only lower teeth 10 of lower slips 4 inside can hold and block continuous tubing string 28 tightly, adjust respectively the first jackscrew sealing device and the 3rd jackscrew sealing device simultaneously, continuous tubing string 28 is sealed, then, remove preventer, upper body 1 and lower body 2 are fixedly installed togather by adjusting nut 27, again continuous tubing string 28 is clamped and sealed, complete the sealing and suspension fixed operation of continuous tubing string 28.
Claims (9)
1. a coiled tubing suspension sealing device, it is characterized in that comprising upper body, lower body, upper slips and lower slips, upper body and lower body are fixedly installed togather, on having, the inner side, middle part of upper body seals erection loop platform, in upper sealing erection loop platform, be installed with combination sealing arrangement, there is diameter to be greater than to seal the hold-down ring platform of erection loop platform diameter upper body above upper sealing erection loop platform inner side, on hold-down ring platform, be fixed with the hold down gag of combination sealing arrangement in compression, lower inside restraining position ring block platform at hold down gag, upper slips is fixed on limited ring dais, upper inner at lower body has lower slips, on the lower body corresponding with lower slips lower outside, be radially fixed with the first jackscrew sealing device that is no less than two, first the inner of jackscrew sealing device and the lower outside of lower slips are fitted together, limited location Ka Tai inside the middle part of lower body, lower body inner side in limiting card platform upper end is fixed with middle combination sealing arrangement, in the bottom of lower body, be radially fixed with the second jackscrew sealing device that is no less than two, the inner of the second jackscrew sealing device is positioned at the inside of lower body, between limiting card platform and the inner of the second jackscrew sealing device, be fixed with lower combination sealing arrangement.
2. coiled tubing suspension sealing device according to claim 1, the longitudinal cross-section that it is characterized in that upper slips top is up-narrow and down-wide taper, upper inner at upper slips has crown only upper teeth down, on the top of upper slips, circumferentially there is the upper retraction slot that is no less than two, upper retraction slot opening up, hold down gag comprises inner nut and outer nut, inner nut and outer nut are fixedly installed togather by screw thread, outer nut is fixedly installed togather by the upper inner of screw thread and upper body, lower inside one restraining position ring block platform at outer nut, upper slips is fixedly mounted on limited ring dais, lower inside at inner nut has the spacing frustum corresponding with upper slips upper outside, the top of upper slips holds out against in spacing frustum.
3. coiled tubing suspension sealing device according to claim 1 and 2, its feature has crown only lower teeth upward in the lower inside of lower slips, lower outside at lower slips has the locking slot inner corresponding with the first jackscrew sealing device, it is interior narrow outer wide fan-shaped that locking slot is, the inner of the first jackscrew sealing device holds out against in locking slot, upper outside at lower slips has the fixed head that is no less than two along circumference one, upper inner at lower body has the holddown groove corresponding with fixed head, fixedly panel seat is in holddown groove, in lower slips bottom, circumferentially there is the lower retraction slot that is no less than two, lower retraction slot opening down.
4. coiled tubing suspension sealing device according to claim 1 and 2, it is characterized in that combination sealing arrangement comprises the first gasket ring and the second gasket ring, between the first gasket ring and the second gasket ring, have the rectangular seal and the U-shaped sealing ring that are no less than one, rectangular seal and U-shaped sealing ring are alternately distributed; Middle combination sealing arrangement comprises upper press ring and gasket ring, between upper press ring and gasket ring, there are the rectangular seal and the U-shaped sealing ring that are no less than one, rectangular seal and U-shaped sealing ring are alternately distributed, on the lower body with corresponding outside upper press ring, be radially installed with the 3rd jackscrew sealing device that is no less than, the 3rd the inner of jackscrew sealing device and the outside of upper press ring are fitted together; Lower combination sealing arrangement comprises gasket ring and lower pressure ring, between gasket ring and lower pressure ring, there is rectangular seal and the U-shaped sealing ring that is no less than, rectangular seal and U-shaped sealing ring are alternately distributed, and the outside of the inner of the second jackscrew sealing device and lower pressure ring is fitted together.
5. coiled tubing suspension sealing device according to claim 3, it is characterized in that combination sealing arrangement comprises the first gasket ring and the second gasket ring, between the first gasket ring and the second gasket ring, have the rectangular seal and the U-shaped sealing ring that are no less than one, rectangular seal and U-shaped sealing ring are alternately distributed; Middle combination sealing arrangement comprises upper press ring and gasket ring, between upper press ring and gasket ring, there are the rectangular seal and the U-shaped sealing ring that are no less than one, rectangular seal and U-shaped sealing ring are alternately distributed, on the lower body with corresponding outside upper press ring, be radially installed with the 3rd jackscrew sealing device that is no less than, the 3rd the inner of jackscrew sealing device and the outside of upper press ring are fitted together; Lower combination sealing arrangement comprises gasket ring and lower pressure ring, between gasket ring and lower pressure ring, there is rectangular seal and the U-shaped sealing ring that is no less than, rectangular seal and U-shaped sealing ring are alternately distributed, and the outside of the inner of the second jackscrew sealing device and lower pressure ring is fitted together.
6. coiled tubing suspension sealing device according to claim 1 and 2, is characterized in that there is the radially greasing hole communicating with lower body interior on the lower body corresponding with limiting card platform, radially in greasing hole, by screw thread, is being installed with greasing plug; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew, auxiliary seal ring and seal plug, auxiliary seal ring holds out against the outside, middle part at jackscrew, seal plug is fixed on the outside, outer end of jackscrew, and the inner of seal plug and the outer end of auxiliary seal ring are fitted together; Or/and, between upper body and lower body, be installed with the ring gasket together with being no less than, or/and the lower end of the upper end of upper body and lower body is all installed with adjusting nut, upper body and lower body are fixedly installed togather by adjusting nut.
7. coiled tubing suspension sealing device according to claim 3, is characterized in that there is the radially greasing hole communicating with lower body interior on the lower body corresponding with limiting card platform, radially in greasing hole, by screw thread, is being installed with greasing plug; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew, auxiliary seal ring and seal plug, auxiliary seal ring holds out against the outside, middle part at jackscrew, seal plug is fixed on the outside, outer end of jackscrew, and the inner of seal plug and the outer end of auxiliary seal ring are fitted together; Or/and, between upper body and lower body, be installed with the ring gasket together with being no less than, or/and the lower end of the upper end of upper body and lower body is all installed with adjusting nut, upper body and lower body are fixedly installed togather by adjusting nut.
8. coiled tubing suspension sealing device according to claim 4, is characterized in that there is the radially greasing hole communicating with lower body interior on the lower body corresponding with limiting card platform, radially in greasing hole, by screw thread, is being installed with greasing plug; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew, auxiliary seal ring and seal plug, auxiliary seal ring holds out against the outside, middle part at jackscrew, seal plug is fixed on the outside, outer end of jackscrew, and the inner of seal plug and the outer end of auxiliary seal ring are fitted together; Or/and, between upper body and lower body, be installed with the ring gasket together with being no less than, or/and the lower end of the upper end of upper body and lower body is all installed with adjusting nut, upper body and lower body are fixedly installed togather by adjusting nut.
9. coiled tubing suspension sealing device according to claim 5, is characterized in that there is the radially greasing hole communicating with lower body interior on the lower body corresponding with limiting card platform, radially in greasing hole, by screw thread, is being installed with greasing plug; Or/and the number of the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device is four; Or/and, the first jackscrew sealing device, the second jackscrew sealing device and the 3rd jackscrew sealing device include jackscrew, auxiliary seal ring and seal plug, auxiliary seal ring holds out against the outside, middle part at jackscrew, seal plug is fixed on the outside, outer end of jackscrew, and the inner of seal plug and the outer end of auxiliary seal ring are fitted together; Or/and, between upper body and lower body, be installed with the ring gasket together with being no less than, or/and the lower end of the upper end of upper body and lower body is all installed with adjusting nut, upper body and lower body are fixedly installed togather by adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695773.7U CN203547641U (en) | 2013-11-06 | 2013-11-06 | Coiled tubing hanging and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695773.7U CN203547641U (en) | 2013-11-06 | 2013-11-06 | Coiled tubing hanging and sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547641U true CN203547641U (en) | 2014-04-16 |
Family
ID=50465770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320695773.7U Expired - Lifetime CN203547641U (en) | 2013-11-06 | 2013-11-06 | Coiled tubing hanging and sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547641U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143298A (en) * | 2017-06-07 | 2017-09-08 | 德州联合石油机械有限公司 | Oil well head annular space sealing device |
| CN109458153A (en) * | 2018-11-30 | 2019-03-12 | 中国海洋石油集团有限公司 | A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever |
| CN110735609A (en) * | 2017-12-01 | 2020-01-31 | 王鲁洋 | Use method of petroleum industrial devices |
| CN111219163A (en) * | 2020-01-08 | 2020-06-02 | 王成军 | Bridge plug for oil field |
-
2013
- 2013-11-06 CN CN201320695773.7U patent/CN203547641U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143298A (en) * | 2017-06-07 | 2017-09-08 | 德州联合石油机械有限公司 | Oil well head annular space sealing device |
| CN110735609A (en) * | 2017-12-01 | 2020-01-31 | 王鲁洋 | Use method of petroleum industrial devices |
| CN110735609B (en) * | 2017-12-01 | 2021-11-09 | 淮北卓本科技有限责任公司 | Application method of device for petroleum industry |
| CN109458153A (en) * | 2018-11-30 | 2019-03-12 | 中国海洋石油集团有限公司 | A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever |
| CN109458153B (en) * | 2018-11-30 | 2020-09-01 | 中国海洋石油集团有限公司 | Christmas tree device suitable for permanently placing and hanging coiled tubing production |
| CN111219163A (en) * | 2020-01-08 | 2020-06-02 | 王成军 | Bridge plug for oil field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203547641U (en) | Coiled tubing hanging and sealing device | |
| CN203374238U (en) | Integrated dust squeezing bridge plug capable of being taken out | |
| CN206693997U (en) | Oil field separates adopts technology tubular column | |
| CN106050199B (en) | Comprehensive drainage gas production device and method | |
| CN203285384U (en) | Top packer for preventing sand | |
| CN203308443U (en) | Circulating gas injection pipe column | |
| CN103422845A (en) | Y-type reducing dual-channel high-pressure acidizing and fracturing well head device | |
| CN202500540U (en) | Three-way injection-production wellhead device | |
| CN201818277U (en) | Compression type open hole packer | |
| CN205605156U (en) | Workover device is pressed in oil gas field area | |
| CN103790542A (en) | Coiled tubing suspension sealing device for testing under high-temperature belt pressure and using method | |
| CN203626682U (en) | SAGD (steam assisted gravity drainage) steam injection well head device | |
| CN203452759U (en) | Parallel double-tube steam injection wellhead device | |
| CN103452496B (en) | Integral type of adopting thick oil thermal extraction note automatically switches and produces joint | |
| CN100340735C (en) | Well head device for thick oil extraction by horizontal well SAGD process | |
| CN202788720U (en) | Pipe-in-pipe steam injection wellhead device | |
| CN103104213B (en) | High-temperature high-pressure testing packer | |
| CN203515433U (en) | High-temperature coiled tubing suspension sealing device for testing under pressure | |
| CN108119096A (en) | SAGD steam injection wellhead assemblies | |
| CN201802338U (en) | Double-pipe oil extraction wellhead device for branch horizontal well | |
| CN205743862U (en) | Carbon dioxide drives oil well wellhead assembly | |
| CN207905776U (en) | SAGD oil recovery production wellhead devices | |
| CN203603835U (en) | Underground dart-type blocking tool used for coiled tubing | |
| CN203452727U (en) | Integrated injection and extraction well head device | |
| CN205823252U (en) | Comprehensive draining gas producing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |