CN204677870U - Thick oil thermal extraction multi-function ball valve assembly - Google Patents
Thick oil thermal extraction multi-function ball valve assembly Download PDFInfo
- Publication number
- CN204677870U CN204677870U CN201520200928.4U CN201520200928U CN204677870U CN 204677870 U CN204677870 U CN 204677870U CN 201520200928 U CN201520200928 U CN 201520200928U CN 204677870 U CN204677870 U CN 204677870U
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- ball valve
- cover
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- pull
- urceolus
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- 238000000605 extraction Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 18
- 238000011084 recovery Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Temperature-Responsive Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model relates to a kind of thick oil thermal extraction multi-function ball valve assembly, it comprises the upper connection that upper end can be connected with oil pipe, the push-and-pull cover that upper end is fixedly connected with upper connection lower end, symmetry is fixedly installed on push-and-pull cover lower end and two tooth bars extended vertically, upper end be set in push-and-pull cover in and a ball valve cover that can slide up and down relative to push-and-pull cover, two ball valve rods be fixedly installed by symmetry are installed in rotation on the ball valve core in ball valve cover cavity, and be arranged on outer two gears be fixedly connected with two ball valve rods respectively of ball valve cover, ball valve cover lower end is also provided with the lower contact that can be tightly connected with grappling, the rack and pinion of push-and-pull cover lower end keeps being meshed all the time.In process upper connection carried or press down, rack drives pinion rotation, gear driven rotates together with its ball valve rod be fixedly connected with, and ball valve rod drives ball valve core rotation again, thus realizes the opening and closing of ball valve assembly.The utility model can be widely used in the production work of thick oil thermal extraction.
Description
Technical field
The utility model relates to the downhole tool that a kind of thick oil thermal extraction uses, and particularly relates to a kind of thick oil thermal extraction multi-function ball valve assembly.
Background technique
In current known thickened oil recovery production process, extensively adopt the means such as heat injection by heating crude oil, then adopt the means exploitations such as electric pump.In this development process, first to enter heat injection tubing string down, the heat mediums such as steam be injected stratum, again enters down flow string exploitation; In this recovery process, not contaminated and ocean environment is not contaminated in recovery process in order to ensure the downhole safety of production period, the protection life safety of direct labor and oil reservoir, the anti-fouler that producing well is applied special tectonic is necessary.But because down-hole is often the complex environments such as High Temperature High Pressure, for downhole tool particularly the sealability of various down-holes valve and the requirement of on-off mode high all especially, conventional tool can not be high temperature resistant, be not suitable for thermal recovery operation, and existing valvular opening and closing mostly adopt manual mode, need to carry out steel wire operation, operating risk is high, efficiency is low, cannot ensure nonexpondable demand, affect using effect.Therefore, the special underwell tool can protecting reservoir in the severe subsurface environments such as high temperature is lacked now.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide that a kind of structural principle is simple, convenient operation and safe and reliable, to meet hot extracting thick oil operating condition thick oil thermal extraction multi-function ball valve assembly.
For achieving the above object, the utility model takes following technological scheme: ball valve core, and is arranged on outer two gears be fixedly connected with ball valve rod described in two respectively of described ball valve cover, a kind of thick oil thermal extraction multi-function ball valve assembly is also established in described ball valve cover lower end, it is characterized in that, comprise the upper connection that upper end can be connected with oil pipe, the push-and-pull cover that upper end is fixedly connected with described upper connection lower end, symmetry is fixedly installed on described push-and-pull cover lower end and two tooth bars extended vertically, upper end be set in described push-and-pull cover in and a ball valve cover that can slide up and down relative to described push-and-pull cover, two ball valve rods be fixedly installed by symmetry are installed in rotation on and one are equipped with the lower contact that can be tightly connected with grappling in described ball valve cover cavity, the tooth bar of described push-and-pull cover lower end keeps being meshed all the time with described gear.
In described ball valve cover cavity, be also respectively arranged with a upper seal support and a bottom sealing socket in the upper and lower of described ball valve core, and described upper seal support and bottom sealing socket are alloyed steel makes; A turnbuckle is also provided with above described upper seal support, described turnbuckle directly matches with described ball valve cover and described upper seal support is pressed on described ball valve core top, also be provided with a spring below described bottom sealing socket, under the effect of described spring, make described bottom sealing socket be close to described ball valve core bottom.
Described ball valve cover top is also provided with a T-shaped pressure ring, described pressure ring lower end is fixedly connected with described ball valve set upper side, described pressure ring top external diameter is greater than described ball valve cover top external diameter, be less than the internal diameter of described push-and-pull cover, position-limiting action is overlapped to described ball valve, has prevented described ball valve cover from deviating from described push-and-pull cover.
An adapter sleeve is also provided with between described push-and-pull cover and described ball valve overlap, described adapter sleeve is fixedly connected with described push-and-pull cover, move up and down along described ball valve cover together with overlapping with described push-and-pull, the movement travel that the length changing described adapter sleeve is overlapped along described ball valve to change described push-and-pull cover, judges the on off state of described ball valve assembly by oil pipe displacement amount.
Described push-and-pull cover and described ball valve cover upper outside are also arranged with a urceolus, and described urceolus lower end and described ball valve overlap lower step and be fixedly connected with, and described urceolus upper end is pressed on described push-and-pull cover outer wall by fastening ring; Described urceolus both sides are also symmetrically arranged with two bearing pins, and bearing pin described in two is connected with ball valve rod described in two respectively.
Overlap joint in described upper connection and described push-and-pull, described push-and-pull overlaps with described adapter sleeve joint, described adapter sleeve with described ball valve overlaps joint, described ball valve overlaps and described pressure ring joint, described urceolus and described fastening ring joint, described fastening ring and described push-and-pull are overlapped joint, described urceolus and described lower contact joint and all adopted eyelet to seal.
The utility model is owing to taking above technological scheme, it has the following advantages: 1, the utility model by the gear that is connected with ball valve rod with overlap with push-and-pull the tooth bar be connected and coordinate the opening and closing controlling ball valve assembly, opening and closing are completed in the process making ball valve assembly to carry on tubing string and to press down, structural principle is simple, convenient operation and safe and reliable, can Reusability, thick oil thermal extraction heat injection can be met, produce, the operation process such as test, also the job requirements to reservoir protection in thermal recovery operation process can be met, do not need to carry out steel wire operation, significantly reduce operating risk, improve operating efficiency.2, the utility model is owing to adopting the direct seal form of metal to metal between ball valve core and each parts, and whole ball valve assembly is without any electronic device and rubber element, switch is all performed by machinery type, thus can ensure that ball valve assembly works for a long time in the subsurface environment that high temperature etc. is severe, meet hot extracting thick oil job requirements, fill up and to have adopted at thermal recovery field note that a blank 3 in integrated pipe column, the utility model structure are simple, convenient operation, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the thick oil thermal extraction multi-function ball valve assembly that the utility model provides, it comprises the upper connection 1 that upper end can be connected with oil pipe (not shown), the push-and-pull that upper end is fixedly connected with upper connection 1 lower end overlaps 2, symmetry is fixedly installed on push-and-pull and overlaps 2 lower ends and two tooth bars 3 extended vertically, upper end be set in push-and-pull cover 2 in and can relative to push-and-pull overlap 2 slide up and down one ball valves cover 4, two ball valve rods 5 be fixedly installed by symmetry are installed in rotation on ball valve and overlap a ball valve core 6 in 4 cavitys, and be arranged on outer two gears 7 be fixedly connected with two ball valve rods 5 respectively of ball valve cover 4, ball valve overlaps 4 lower ends and is also provided with and can seals with grappling the lower contact 8 that (not shown) is connected, the tooth bar 3 that 2 lower ends are overlapped in push-and-pull keeps being meshed all the time with gear 7, in process upper connection 1 carried or press down, tooth bar 3 driven gear 7 rotates, gear 7 drives and passes through spline (only as example with it, being not limited to this) ball valve rod 5 that is fixedly connected with rotates together, ball valve rod 5 drives ball valve core 6 to rotate again, thus realizes the opening and closing of ball valve assembly.
In above-described embodiment, as shown in Figure 1, ball valve overlaps in 4 cavitys, is also respectively arranged with upper seal support 9 and a bottom sealing socket 10 in the upper and lower of ball valve core 6, and upper seal support 9 and bottom sealing socket 10 are the metal materials such as alloyed steel makes, and be the direct seal form of metal to metal between ball valve core 6, do not rely on rubber element, the operating conditions of hot extracting thick oil can be met, and can in down-hole long-term work.
In above-described embodiment, as shown in Figure 1, a turnbuckle 11 is also provided with above upper seal support 9, turnbuckle 11 directly overlaps 4 with ball valve and matches, upper seal support 9 is pressed on ball valve core 6 top by the connection of being overlapped 4 by turnbuckle 11 and ball valve, a spring 12 is also provided with below bottom sealing socket 10, under the effect of spring 12, make bottom sealing socket 10 be close to ball valve core 6 bottom, thus make upper seal support 9 and bottom sealing socket 10 can in ball valve core 6 rotation process, all the time keep fitting tightly with ball valve core 6, thus ensure the sealing effect to ball valve assembly.
In above-described embodiment, as shown in Figure 1, ball valve overlaps 4 tops and is also provided with a T-shaped pressure ring 13, pressure ring 13 lower end and ball valve overlap 4 upper ends by screw thread (only as example, be not limited to this) be fixedly connected with, pressure ring 13 top external diameter is greater than ball valve and overlaps 4 top external diameters, is less than the internal diameter of push-and-pull cover 2, thus can overlap 4 spacing to ball valve, prevent ball valve from overlapping 4 and deviate from push-and-pull cover 2.
In above-described embodiment, push-and-pull cover 2 and ball valve are also provided with an adapter sleeve 14 between overlapping 4, adapter sleeve 14 and push-and-pull overlap 2 by screw thread (only as example, be not limited to this) be fixedly connected with, move up and down along ball valve cover 4 together with can overlapping 2 with push-and-pull, adapter sleeve 14 has the effect that 2 movement travels are overlapped in control push-and-pull, and the length changing adapter sleeve 14 can change the movement travel of push-and-pull cover 2 along ball valve cover 4; Meanwhile, the on off state of ball valve assembly also can be judged by the displacement amount of oil pipe.
In above-described embodiment, as shown in Figure 1, push-and-pull cover 2 and ball valve overlap 4 upper outside and are also arranged with a urceolus 15, and urceolus 15 lower end and ball valve overlap 4 lower step and be fixedly connected with, and urceolus 15 upper end is pressed on push-and-pull by fastening ring 17 and overlaps on 2 outer walls; Urceolus 15 both sides are also symmetrically arranged with two bearing pin 16, two bearing pins 16 and are connected with two ball valve rods 5 respectively, can ensure the stability that ball valve core 6 rotates, whole action is carried out along predefined trajectory in ball valve assembly open and close process.
In above-described embodiment, as shown in Figure 1, upper connection 1 and lower contact 8 all adopt API (American Petroleum Institute, API) standard button-type, are connected with other OCTG to facilitate.
In above-described embodiment, as shown in Figure 1, for ensureing the sealing of ball valve assembly further, overlap 2 joints in upper connection 1 and push-and-pull, push-and-pull overlap 2 overlap 4 joints with adapter sleeve 14 joint, adapter sleeve 14 with ball valve, ball valve overlap 4 and overlaps 2 joints, urceolus 15 and lower contact 8 joint with pressure ring 13 joint, urceolus 15 with fastening ring 17 joint, fastening ring 17 and push-and-pull and all adopt eyelet 18 to seal.
In use, upper connection 1 connected pipes, lower contact 8 connects grappling sealing to the utility model, can play isolation bottom tubing string and indicate that tubing string is lowered into the effect of position.In the process of upper lifting pipe post, upper connection 1 drives push-and-pull to overlap 2 and moves upward along ball valve cover 4, overlap due to push-and-pull tooth bar 3 that 2 lower ends connect to remain with gear 7 and engage, gear 7 can be driven together with the ball valve rod 5 that is fixedly connected with by spline with it and rotate, ball valve rod 5 drives ball valve core 6 to rotate again, completes the closing motion of ball valve assembly; In the same manner, in the process pressing down tubing string, upper connection 1 drives push-and-pull to overlap 2 and moves downward along ball valve cover 4, overlap due to push-and-pull tooth bar 3 that 2 lower ends connect to remain with gear 7 and engage, gear 7 can be driven together with the ball valve rod 5 that is fixedly connected with by spline with it and rotate backward, ball valve rod 5 drives ball valve core 6 to rotate backward again, completes the breakdown action of ball valve assembly; The utility model structure is simple, convenient operation and safe and reliable, can meet the operation process such as thick oil thermal extraction heat injection, production, test, not need to carry out steel wire operation, significantly reduce operating risk, improve operating efficiency; Meet the job requirements to reservoir protection in thermal recovery operation process, the competitive ability of effective lifting company in thermal recovery field simultaneously.Under the effect of turnbuckle 11 and spring 12, keep fitting tightly with ball valve core 6 all the time in the process that upper seal support 9 and bottom sealing socket 10 rotate at ball valve core 6, effectively ensure the sealing of ball valve assembly; Simultaneously, upper seal support 9 and bottom sealing socket 10 are all that metal material is made, by milling, act directly on ball valve core 6, the crucial joint of each parts of ball valve assembly also all adopts eyelet 18 to seal, and does not comprise any electronic component and rubber element, thus can ensure that ball valve assembly works for a long time in the subsurface environment that high temperature etc. is severe, meet hot extracting thick oil job requirements, fill up the blank noted in thermal recovery field and adopt in integrated pipe column.The utility model structure is simple, convenient operation, low cost of manufacture.
The various embodiments described above are only for illustration of the utility model; wherein the structure, Placement etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. a thick oil thermal extraction multi-function ball valve assembly, it is characterized in that, comprise the upper connection that upper end can be connected with oil pipe, the push-and-pull cover that upper end is fixedly connected with described upper connection lower end, symmetry is fixedly installed on described push-and-pull cover lower end and two tooth bars extended vertically, upper end be set in described push-and-pull cover in and a ball valve cover that can slide up and down relative to described push-and-pull cover, two ball valve rods be fixedly installed by symmetry are installed in rotation on the ball valve core in described ball valve cover cavity, and be arranged on outer two gears be fixedly connected with ball valve rod described in two respectively of described ball valve cover, described ball valve cover lower end is also provided with the lower contact that can be tightly connected with grappling, and the tooth bar of described push-and-pull cover lower end keeps being meshed all the time with described gear.
2. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 1, it is characterized in that, in described ball valve cover cavity, be also respectively arranged with a upper seal support and a bottom sealing socket in the upper and lower of described ball valve core, and described upper seal support and bottom sealing socket are alloyed steel makes; A turnbuckle is also provided with above described upper seal support, described turnbuckle directly matches with described ball valve cover and described upper seal support is pressed on described ball valve core top, also be provided with a spring below described bottom sealing socket, under the effect of described spring, make described bottom sealing socket be close to described ball valve core bottom.
3. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 1 or 2, it is characterized in that, described ball valve cover top is also provided with a T-shaped pressure ring, described pressure ring lower end is fixedly connected with described ball valve set upper side, described pressure ring top external diameter is greater than described ball valve cover top external diameter, be less than the internal diameter of described push-and-pull cover, position-limiting action overlapped to described ball valve, has prevented described ball valve cover from deviating from described push-and-pull cover.
4. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 1 or 2, it is characterized in that, an adapter sleeve is also provided with between described push-and-pull cover and described ball valve overlap, described adapter sleeve is fixedly connected with described push-and-pull cover, move up and down along described ball valve cover together with overlapping with described push-and-pull, the movement travel that the length changing described adapter sleeve is overlapped along described ball valve to change described push-and-pull cover, judges the on off state of described ball valve assembly by oil pipe displacement amount.
5. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 3, it is characterized in that, an adapter sleeve is also provided with between described push-and-pull cover and described ball valve overlap, described adapter sleeve is fixedly connected with described push-and-pull cover, move up and down along described ball valve cover together with overlapping with described push-and-pull, the movement travel that the length changing described adapter sleeve is overlapped along described ball valve to change described push-and-pull cover, judges the on off state of described ball valve assembly by oil pipe displacement amount.
6. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 1 or 2, it is characterized in that, described push-and-pull cover and described ball valve cover upper outside are also arranged with a urceolus, described urceolus lower end and described ball valve overlap lower step and are fixedly connected with, and described urceolus upper end is pressed on described push-and-pull cover outer wall by fastening ring; Described urceolus both sides are also symmetrically arranged with two bearing pins, and bearing pin described in two is connected with ball valve rod described in two respectively.
7. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 3, it is characterized in that, described push-and-pull cover and described ball valve cover upper outside are also arranged with a urceolus, described urceolus lower end and described ball valve overlap lower step and are fixedly connected with, and described urceolus upper end is pressed on described push-and-pull cover outer wall by fastening ring; Described urceolus both sides are also symmetrically arranged with two bearing pins, and bearing pin described in two is connected with ball valve rod described in two respectively.
8. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 4, it is characterized in that, described push-and-pull cover and described ball valve cover upper outside are also arranged with a urceolus, described urceolus lower end and described ball valve overlap lower step and are fixedly connected with, and described urceolus upper end is pressed on described push-and-pull cover outer wall by fastening ring; Described urceolus both sides are also symmetrically arranged with two bearing pins, and bearing pin described in two is connected with ball valve rod described in two respectively.
9. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 5, it is characterized in that, described push-and-pull cover and described ball valve cover upper outside are also arranged with a urceolus, described urceolus lower end and described ball valve overlap lower step and are fixedly connected with, and described urceolus upper end is pressed on described push-and-pull cover outer wall by fastening ring; Described urceolus both sides are also symmetrically arranged with two bearing pins, and bearing pin described in two is connected with ball valve rod described in two respectively.
10. thick oil thermal extraction multi-function ball valve assembly as claimed in claim 9, it is characterized in that, overlap joint in described upper connection and described push-and-pull, described push-and-pull overlaps with described adapter sleeve joint, described adapter sleeve with described ball valve overlaps joint, described ball valve overlaps and described pressure ring joint, described urceolus and described fastening ring joint, described fastening ring and described push-and-pull are overlapped joint, described urceolus and described lower contact joint and all adopted eyelet to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200928.4U CN204677870U8 (en) | 2015-04-03 | 2015-04-03 | Thick oil thermal extraction multi-function ball valve module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200928.4U CN204677870U8 (en) | 2015-04-03 | 2015-04-03 | Thick oil thermal extraction multi-function ball valve module |
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| Publication Number | Publication Date |
|---|---|
| CN204677870U true CN204677870U (en) | 2015-09-30 |
| CN204677870U8 CN204677870U8 (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520200928.4U Active CN204677870U8 (en) | 2015-04-03 | 2015-04-03 | Thick oil thermal extraction multi-function ball valve module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864162A (en) * | 2015-04-03 | 2015-08-26 | 中国海洋石油总公司 | Multifunctional ball valve assembly for thickened oil thermal production well |
| CN107558952A (en) * | 2017-08-24 | 2018-01-09 | 中海油能源发展股份有限公司 | Anti-spraying safety valve under a kind of Mechanical course high temperature well |
-
2015
- 2015-04-03 CN CN201520200928.4U patent/CN204677870U8/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864162A (en) * | 2015-04-03 | 2015-08-26 | 中国海洋石油总公司 | Multifunctional ball valve assembly for thickened oil thermal production well |
| CN107558952A (en) * | 2017-08-24 | 2018-01-09 | 中海油能源发展股份有限公司 | Anti-spraying safety valve under a kind of Mechanical course high temperature well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204677870U8 (en) | 2017-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model |
Correction item: Third patentee Correct: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED False: Energy development engineering branch company of CNOOC Number: 39 Page: The title page Volume: 31 |
|
| CU01 | Correction of utility model | ||
| CU03 | Publication of corrected utility model |
Correction item: Third patentee Correct: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED False: Energy development engineering branch company of CNOOC Number: 39 Volume: 31 |
|
| CU03 | Publication of corrected utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |