CN210068136U - Downhole pressure temperature dryness sampling and testing device - Google Patents
Downhole pressure temperature dryness sampling and testing device Download PDFInfo
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- CN210068136U CN210068136U CN201920329998.8U CN201920329998U CN210068136U CN 210068136 U CN210068136 U CN 210068136U CN 201920329998 U CN201920329998 U CN 201920329998U CN 210068136 U CN210068136 U CN 210068136U
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000005070 sampling Methods 0.000 title claims description 79
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 18
- 239000007791 liquid phase Substances 0.000 claims description 12
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a pressure temperature quality sample testing arrangement in pit relates to oil and gas well engineering measurement field, and this pressure temperature quality sample testing arrangement in pit includes the well test car, weight release, the well test steel wire, quality sample appearance and storage formula temperature pressure gauge, and weight release installs at the well head, and the well test steel wire, quality sample appearance and storage formula temperature pressure gauge are connected smoothly from top to bottom, and the top of well test steel wire is run through weight release and is connected with the well test car. The utility model provides a pressure temperature quality sample testing arrangement in pit can gather and store two parameters of downhole pressure, temperature simultaneously and accomplish the steam quality sample simultaneously.
Description
Technical Field
The utility model relates to an oil gas well engineering measurement field, in particular to pressure temperature quality sample testing arrangement in pit.
Background
The Liaohe oil field is the largest viscous oil production base in China, the Liaohe oil field mainly adopts development modes such as steam huff and puff, steam flooding, Steam Assisted Gravity Drainage (SAGD) and the like at present, and the change conditions of underground pressure, temperature and steam dryness need to be monitored simultaneously in the development process so as to accurately analyze and master the steam injection effect and improve the thermal recovery efficiency.
The steam dryness refers to the mass percentage of cohesive steam contained in each kilogram of wet steam, and is an important index influencing the thermal recovery effect of the thick oil.
In the past, all underground steam dryness sampling testers adopt mechanical thermometers, underground temperature testing is completed by recording underground temperature changes through recording cylinder cards, then a sampler is used for obtaining steam samples, saturated steam dryness values are obtained through chemical analysis of the steam samples, and the change conditions of underground pressure need to be obtained again by entering an electronic pressure gauge again. Although the time interval between the electronic pressure gauge running-in time and the sampling time of the sampler is short, the underground temperature and pressure are always in dynamic change, so that the data obtained by calculation and analysis have deviation from the real situation inevitably, and the accuracy of the analysis result is further influenced.
Aiming at the problems, in order to improve the production efficiency and reduce the test cost, the inventor develops and develops a downhole electronic pressure and temperature dryness sampling test device according to production design experiences of the field and related fields for many years, so as to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure temperature quality sample testing arrangement in pit can gather and store two parameters of downhole pressure, temperature simultaneously and accomplish the steam quality sample simultaneously.
In order to achieve the above object, the utility model provides a pressure temperature quality sampling testing arrangement in pit, wherein, pressure temperature quality sampling testing arrangement in pit includes well testing car, weight release, well testing steel wire, quality sample appearance and storage formula temperature gauge, weight release installs at the well head, the well testing steel wire quality sample appearance with storage formula temperature gauge connects smoothly from top to bottom, the top of well testing steel wire is run through weight release with the well testing car is connected.
The downhole pressure temperature dryness sampling testing device as described above, wherein the dryness sampler comprises:
the central tube is provided with a working cavity which is communicated up and down, the top end of the working cavity is provided with a steam inlet, and the bottom end of the working cavity is provided with a steam outlet;
the sampling tube is sleeved outside the central tube and forms an annular sampling cavity with the outer wall of the central tube in a surrounding manner, the upper end and the lower end of the sampling cavity are closed, and a steam inlet hole and a steam outlet hole which are communicated with the working cavity and the sampling cavity are formed in the side wall of the central tube;
the valve rod is vertically arranged and penetrates through the working cavity, and the top end of the valve rod is connected with the well testing steel wire;
the upper sealing element is arranged at the top end of the valve rod and can be in sealing fit with the steam inlet;
and the lower sealing element is arranged at the bottom end of the valve rod and can be in sealing fit with the steam outlet.
The downhole pressure and temperature sampling and testing device comprises a central tube, a steam inlet hole, a steam outlet hole.
The downhole pressure and temperature dryness sampling and testing device is characterized in that the bottom end of the sampling cavity is provided with a liquid phase stagnation area.
The downhole pressure temperature quality sampling testing device as described above, wherein the valve stem extends through the lower seal and is detachably connected to the storage manometer.
The downhole pressure temperature quality sampling testing apparatus as described above, wherein the valve stem and the storage temperature gauge are detachably connected by a screw thread.
The device for sampling and testing the dryness of the pressure and the temperature in the well as the method thereof, wherein the weight releasing device is arranged in a wellhead blowout prevention box.
The downhole pressure temperature dryness sampling testing device as described above, wherein the reservoir temperature pressure tester is detachably mounted at the lower end of the dryness sampler.
The downhole pressure and temperature sampling and testing device comprises a storage type temperature pressure gauge, a timing unit, a temperature measuring unit, a pressure measuring unit and a storage unit, wherein the timing unit, the temperature measuring unit, the pressure measuring unit and the storage unit are electrically connected.
Compared with the prior art, the utility model has the following characteristics and advantages:
the utility model provides a pressure temperature quality sample testing arrangement in pit utilizes quality sample appearance to acquire steam sample in the pit, utilizes storage formula temperature pressure gauge to acquire temperature in the pit, pressure data simultaneously, just can accomplish steam quality sample and gather and store two parameters of downhole pressure, temperature simultaneously in a test in the pit, has further improved production efficiency, has reduced the test cost.
The utility model provides a pressure temperature quality sampling test device in pit convenient to use, data accuracy directly perceived in time provides the three important parameter of urgent need for the scene, for the adjustment heat notes technology, improves heat notes efficiency and provides the foundation.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.
Fig. 1 is a schematic structural diagram of a downhole pressure and temperature dryness sampling and testing device provided by the present invention;
FIG. 2 is a schematic structural view of the dryness sampler of the present invention;
description of reference numerals:
10. a downhole pressure temperature dryness sampling test device; 100. Well testing vehicle;
200. a weight releasing device; 300. Testing a well steel wire;
400. a dryness sampler; 410. A central tube;
411. a working chamber; 412. A steam inlet;
413. a steam outlet; 414. A steam inlet hole;
415. a steam outlet; 420. A sampling tube;
421. a sampling cavity; 422. A liquid phase retention zone;
430. a valve stem; 440. An upper seal member;
450. a lower seal member; 460. A baffle plate;
461. a horizontal portion; 462. A vertical portion;
500. a storage type temperature gauge 600 and a screw thread.
Detailed Description
The details of the present invention can be more clearly understood with reference to the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of explanation only, and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention.
As shown in fig. 1, the utility model provides a pressure temperature dryness fraction sampling testing arrangement 10 in pit includes test car 100, weight release 200, test wire 300, dryness fraction sampler 400 and storage formula temperature pressure gauge 500, and weight release 200 installs at the well head, and test wire 300, dryness fraction sampler 400 and storage formula temperature pressure gauge 500 connect smoothly from top to bottom, and weight release 200 and test car 100 are connected are run through on the top of test wire 300.
The utility model provides a pressure temperature quality in pit sample testing arrangement 10 utilizes quality sample appearance 400 to acquire steam sample in the pit, utilizes storage formula temperature pressure gauge 500 to acquire temperature in the pit, pressure data simultaneously, just can accomplish steam quality sample and gather and store two parameters of downhole pressure, temperature simultaneously in a downhole test, has further improved production efficiency, has reduced the test cost.
The utility model provides a pressure temperature quality sampling test device 10 convenient to use in pit, data accuracy directly perceived in time provides the three important parameter of urgent need for the scene, for the adjustment heat notes technology, improves heat notes efficiency and provides the foundation.
In an alternative example of the present invention, the dryness sampler 400 includes a central tube 410, a sampling tube 420, a valve stem 430, an upper seal 440, and a lower seal 450. The central tube 410 is provided with a working chamber 411 which is through up and down, the top end of the working chamber 411 is provided with a steam inlet 412, and the bottom end of the working chamber 411 is provided with a steam outlet 413; the sampling tube 420 is sleeved outside the central tube 410 and forms an annular sampling cavity 421 with the outer wall of the central tube 410, the upper end and the lower end of the sampling cavity 421 are closed, and the side wall of the central tube 410 is provided with a steam inlet 414 and a steam outlet 415 which are communicated with the working cavity 411 and the sampling cavity 421; the valve rod 430 is vertically arranged and penetrates through the working cavity 411, and the top end of the valve rod 430 is connected with the well testing steel wire 300; an upper seal 440 is mounted on the top end of the valve stem 430 and is capable of sealing engagement with the steam inlet 412; a lower seal 450 is mounted to the bottom end of the valve stem 430 and is capable of sealing engagement with the steam outlet 413.
In an alternative example, the steam outlet 415 is spaced below the steam inlet 414, a baffle plate 460 is disposed in the sampling chamber 421, the baffle plate 460 includes a horizontal portion 461 and a vertical portion 462, one end of the horizontal portion 461 is fixedly connected to the outer wall of the central tube 410 and is located between the steam outlet 415 and the steam inlet 144, the other end of the horizontal portion 461 extends in the radial direction of the central tube 410, the top end of the vertical portion 462 is fixedly connected to the other end of the horizontal portion 461, and the bottom end of the vertical portion 462 extends downward in the vertical direction and is spaced from the bottom end of the sampling chamber 421.
In an alternative example, the bottom end of the sampling chamber 421 is provided with a liquid phase retention zone 422.
When in use, the dryness sampler 400 is opened and enters a sampling position, and steam flows into the sampling cavity 421 from the steam inlet 412 at the upper end of the dryness sampler 400 at the sampling position; after the steam passes through the sampling cavity 421, the steam is blocked and guided by the baffle plate 460, the flow speed and the flow mode of the steam are changed, and a part of the steam flows along the route in fig. 2 and flows out of the sampling cavity 421; during the above-mentioned deflection, the liquid phase in the vapor will be formed into larger water drops due to the surface tension of the liquid, and the water drops will be collected downward in the liquid phase retention zone 422 at the bottom of the sampling chamber 421 under the action of gravity, and the liquid phase will be vaporized, and the liquid collection and vaporization will reach an equilibrium according to the different states of the vapor. The dryness sampler 400 is stationary at the sampling location for a period of time to allow for sufficient displacement of liquid in the liquid phase retention zone 422; when sampling is confirmed, the wellhead heavy hammer release device 200 impacts the sliding sleeve, the valve rod 430 is moved in parallel to enable the upper sealing element 440 and the lower sealing element 450 to move, the upper sealing element 440 seals the steam inlet 412, the lower sealing element 450 seals the steam outlet 413, and steam is sealed in the sampling cavity 421, so that fixed-point sampling is realized.
In an alternative embodiment of the present invention, the storage type temperature and pressure gauge 500 is detachably installed at the lower end of the dryness sampler 400.
In an alternative example, the valve stem 430 extends through the lower seal 450 and is removably connected to the storage temperature gauge 500.
Preferably, the valve stem 430 and the storage type temperature gauge 500 are detachably connected by a screw 600.
In an alternative embodiment of the present invention, the weight release device is mounted in the wellhead blowout preventer. The utility model discloses well weight release and its cooperation mode with the dryness fraction sample appearance can adopt prior art, do not give unnecessary details here.
In an alternative example of the present invention, the storage type temperature gauge 500 includes at least a timing unit, a temperature measuring unit, a pressure measuring unit, and a storage unit (not shown in the drawings) which are electrically connected. The time of the temperature measuring unit and the time of the pressure measuring unit are preset through the timing power supply, so that the time of the temperature data and the pressure data obtained by the timing power supply is consistent with the time of the steam sample obtained by the dryness sampler 400, and the accuracy of the measuring and analyzing effects is further ensured. The timing unit, the temperature measuring unit, the pressure measuring unit and the storage unit can all adopt the prior art, and are not described herein again.
The use of the downhole pressure and temperature sampling and testing device 10 provided by the present invention will now be described in detail with reference to fig. 1 and 2:
firstly, programming the storage type temperature and pressure gauge 500 according to the sampling depth, and setting the sampling time and the number of sampling points;
then, the dryness sampler 400 is connected with the storage type temperature pressure gauge 500 through a screw thread 600, and then the dryness sampler 400 is connected with the well testing steel wire 300; make the well testing car 100 aim at the construction well head, open quality sample appearance 400 and storage formula temperature pressure gauge 500, go into the well with quality sample appearance 400 and storage formula temperature pressure gauge 500 simultaneously through well testing car 100.
Then, lowering the dryness sampler 400 and the storage type temperature pressure gauge 500 to a sampling position through the well testing vehicle 1 and staying for 3-5 minutes; the dryness sampler 400 is opened and enters a sampling position, steam flows into the sampling chamber 421 from a steam inlet 412 at the upper end of the dryness sampler 400 at the sampling position, the steam is blocked and guided by the baffle plate 460 after entering the sampling chamber 421, the flow speed and the flow mode of the steam are changed, and a part of the steam flows along the route in fig. 2 and flows out of the sampling chamber 421; during the above-mentioned deflection, the liquid phase in the vapor will be formed into larger water drops due to the surface tension of the liquid, and the water drops will be collected downward in the liquid phase retention zone 422 at the bottom of the sampling chamber 421 under the action of gravity, and at the same time, the liquid phase will be vaporized, and such liquid collection and vaporization will reach an equilibrium according to the different states of the vapor. After 3-5 minutes of rest, the liquid in the liquid phase retention area 422 is fully replaced, when sampling is confirmed, the sliding sleeve is impacted by the wellhead heavy hammer release device 200, the upper sealing element 440 and the lower sealing element 450 move when the valve rod 430 is moved in parallel, the upper sealing element 440 seals the steam inlet 412, the lower sealing element 450 seals the steam outlet 413, and steam is sealed in the sampling cavity 421, so that fixed-point sampling is realized. At the same time, the storage type temperature gauge 500 measures pressure and temperature data at that time (when the weight is released) based on a preset sampling time and the number of sampling points.
Finally, the dryness sampling instrument 400 and the storage type temperature pressure gauge 500 on the well testing truck 1 are utilized to complete the sampling test of the downhole pressure and temperature dryness.
After the sampling and testing device 10 for the dryness fraction of the underground pressure and temperature is taken out from the underground, the storage type temperature pressure gauge 500 is connected to a computer by a matched special backswing line, the underground testing data (pressure and temperature) can be played back by using the operation software of the storage type temperature pressure gauge 500, and meanwhile, the dryness fraction of the saturated steam is obtained by chemically analyzing a steam sample.
In the following description of the embodiments, the invention is described in detail, but the description is not to be construed as limiting the invention for any reason, and in particular, the features described in the different embodiments may be combined with each other as desired, thereby forming other embodiments, and the features are understood to be applicable to any one embodiment and not limited to the described embodiments unless explicitly described to the contrary.
Claims (9)
1. The utility model provides a pressure temperature quality sample testing arrangement in pit which characterized in that, pressure temperature quality sample testing arrangement in pit includes well testing car, weight release, test wire, quality sample appearance and storage formula temperature pressure gauge, weight release installs at the well head, test wire, quality sample appearance and storage formula temperature pressure gauge connect from top to bottom smoothly, the top of test wire run through weight release and with the well testing car is connected.
2. The downhole pressure temperature quality sampling testing device of claim 1, wherein the quality sampler comprises:
the central tube is provided with a working cavity which is communicated up and down, the top end of the working cavity is provided with a steam inlet, and the bottom end of the working cavity is provided with a steam outlet;
the sampling tube is sleeved outside the central tube and forms an annular sampling cavity with the outer wall of the central tube in a surrounding manner, the upper end and the lower end of the sampling cavity are closed, and a steam inlet hole and a steam outlet hole which are communicated with the working cavity and the sampling cavity are formed in the side wall of the central tube;
the valve rod is vertically arranged and penetrates through the working cavity, and the top end of the valve rod is connected with the well testing steel wire;
the upper sealing element is arranged at the top end of the valve rod and can be in sealing fit with the steam inlet;
and the lower sealing element is arranged at the bottom end of the valve rod and can be in sealing fit with the steam outlet.
3. The downhole pressure temperature dryness sampling and testing device according to claim 2, wherein the steam outlet is arranged below the steam inlet at intervals, a baffle plate is arranged in the sampling cavity, the baffle plate comprises a horizontal part and a vertical part, one end of the horizontal part is fixedly connected to the outer wall of the central tube and is positioned between the steam outlet and the steam inlet, the other end of the horizontal part extends outwards in the radial direction of the central tube, the top end of the vertical part is fixedly connected to the other end of the horizontal part, and the bottom end of the vertical part extends downwards in the vertical direction and is spaced from the bottom end of the sampling cavity.
4. The downhole pressure temperature quality sampling testing device of claim 3, wherein the bottom end of the sampling cavity is provided with a liquid phase stagnation zone.
5. The downhole pressure temperature quality sampling testing device of claim 2, wherein the valve stem extends through the lower seal and is removably connected to the storage manometer.
6. The downhole pressure temperature quality sampling test device of claim 5, wherein the valve stem and the stored temperature gauge are removably connected by a threaded connection.
7. The downhole pressure temperature quality sampling testing device of claim 1, wherein the weight release device is mounted in a wellhead blowout preventer.
8. The downhole pressure temperature dryness sampling test device of claim 1, wherein the reservoir temperature pressure tester is removably mounted at a lower end of the dryness sampler.
9. The downhole pressure temperature dryness sampling test device of claim 1, wherein the storage temperature manometer comprises at least a timing unit, a temperature measurement unit, a pressure measurement unit, and a storage unit electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329998.8U CN210068136U (en) | 2019-03-15 | 2019-03-15 | Downhole pressure temperature dryness sampling and testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329998.8U CN210068136U (en) | 2019-03-15 | 2019-03-15 | Downhole pressure temperature dryness sampling and testing device |
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| Publication Number | Publication Date |
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| CN210068136U true CN210068136U (en) | 2020-02-14 |
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| CN201920329998.8U Active CN210068136U (en) | 2019-03-15 | 2019-03-15 | Downhole pressure temperature dryness sampling and testing device |
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| CN (1) | CN210068136U (en) |
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