CN204200218U - A kind of direct-reading manometer for downhole fluid high pressure physical property sample - Google Patents
A kind of direct-reading manometer for downhole fluid high pressure physical property sample Download PDFInfo
- Publication number
- CN204200218U CN204200218U CN201420529751.8U CN201420529751U CN204200218U CN 204200218 U CN204200218 U CN 204200218U CN 201420529751 U CN201420529751 U CN 201420529751U CN 204200218 U CN204200218 U CN 204200218U
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- Prior art keywords
- direct
- reading
- joint member
- high pressure
- physical property
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Abstract
The utility model discloses a kind of direct-reading manometer for downhole fluid high pressure physical property sample, it comprises: cylindrical shell, its side cross-section vertically, can pick and place the manometric cavity of described direct-reading to form; First joint member and the second joint member, it is separately fixed at the both ends of described cylindrical shell; Wherein, be provided with cable in the first joint member, described cable one end divides two-way to be connected to the first plug and the second plug, and the other end of described cable is electrically connected with ground directly-reading system; Described first plug is arranged in described first joint member, and is electrically connected with the direct-reading pressure gauge being positioned at described cavity; Described second plug is arranged in the second joint member, is electrically connected with external fluid high pressure physical property sample device.The pressure gauge that needs are gone into the well for twice by the direct-reading manometer that the utility model provides and sampler are together in series, and achieving once goes into the well just can complete high pressure physical property sample, greatly saves construction cost, improves the qualification rate of sample.
Description
Technical field
The utility model relates to a kind of direct-reading manometer, and the manometric device of a kind of installation direct-reading, when sampling for down-hole high pressure physical property, carries out the device of down-hole pressure and temperature ground directly-reading, is applicable to the downhole fluid sampling of oilfield oil, gas, well.
Background technology
At present, in oil gas field evaluating reservoir, oil-gas field development design and Predicting The Recovery Efficiency research, high pressure property (PVT) parameter gathering characteristic of fluid under reservoir condition is needed.In order to obtain qualified downhole fluid high pressure property sample, conventional construction needs to carry out steel wire operation twice.First, under enter a steel wire instrument, memory electronic pressure gauge is delivered to depth selection, admission down-hole pressure and temperature.Pressure gauge takes out ground, reads down-hole pressure and confirms that down-hole flowing pressure reaches stable, and above bubble point pressure.Then, carry out second time steel wire operation, enter depth selection under sampler, carry out downhole fluid sampling.This constructure scheme activity duration is long, increases construction operation cost.And under enter second steel wire instrument carry out downhole fluid sampling time, may change due to down-hole flow regime, can not sampling condition be met, cause fluid-like defective.
Utility model content
The utility model is in order to overcome the above problems, provide a kind of direct-reading manometer for downhole fluid high pressure physical property sample, together with direct-reading pressure gauge has been connected on high pressure physical property sample device by this holder cylinder, not only can Real-Time Monitoring down-hole pressure and temperature, to guarantee that down-hole flowing pressure meets the condition of sampling, and once go into the well just can substitute tradition need enter steel wire instrument for twice time to gather the complicated procedures of forming of high pressure property sample.
The technical scheme that the utility model provides is:
For a direct-reading manometer for downhole fluid high pressure physical property sample, it comprises:
Cylindrical shell, its side cross-section vertically, can pick and place the manometric cavity of described direct-reading to form;
First joint member and the second joint member, it is separately fixed at the both ends of described cylindrical shell;
Wherein, in the first joint member, be provided with cable,
Described cable one end divides two-way to be connected to the first plug and the second plug, and the other end of described cable is electrically connected with ground directly-reading system; Described first plug is arranged in described first joint member, and is electrically connected with the direct-reading pressure gauge being positioned at described cavity; Described second plug is arranged in the second joint member, is electrically connected with external fluid high pressure physical property sample device.
Preferably, the other end of described cable is electrically connected with ground directly-reading system by a cable interface, and described cable interface is arranged in described first joint member.
Preferably, described first joint member and described second joint member are the tubulose that can insert described cylindrical shell, and are fixed by screws on described cylindrical shell.
Preferably, described cable is arranged with cable protection pipe at least partially on the path extending to described second plug, and described cable protection pipe is positioned at the non-of described cylindrical shell cuts side open.
Preferably, the non-side of cutting open of described cylindrical shell is provided with clamping plate in the both sides of described cable protection pipe, to stablize described cable protection pipe and to support the direct-reading pressure gauge being arranged in cylindrical shell cavity.
Preferably, the non-side of cutting open of described cylindrical shell is provided with multiple adjustment screw for adjusting direct-reading pressure gauge position, described adjustment screw on the same cross section of cylindrical shell with the vertical plane at tubular axis place for minute surface is symmetrical between two.
Preferably, the outer wall of described cylindrical shell upper end is provided with multiple jackscrew, described jackscrew Relative distribution between two on described cylindrical shell.
Preferably, described second joint member is also provided with helicitic texture, described high pressure physical property sample device is threaded with described second joint member by described helicitic texture.
Preferably, the described direct-reading manometer for downhole fluid high pressure physical property sample also comprises:
Two thread protector components, it is arranged on the cable interface place of described first joint member and the helicitic texture of described second joint member respectively removably.
Preferably, described first plug and the second plug all adopt banana plug.
Direct-reading manometer for downhole fluid high pressure physical property sample provided by the utility model, is together in series direct-reading pressure gauge and sampler, has both achieved Real-Time Monitoring down-hole pressure and temperature, guarantees that down-hole flowing pressure meets the condition of sampling; Solve again to the problem of sampler motor power supplying, while ground Real-Time Monitoring down-hole pressure can be realized, ground control carry out well sampling.Operating personnel are by monitor well downforce, and when down-hole flow regime meets sampling condition, ground controls well sampling, obtains qualified downhole fluid sample.Moreover, due to the series connection by direct-reading pressure gauge and sampler, make an operation instead of the operation twice of routine sampling, save construction operation cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the direct-reading manometer for downhole fluid high pressure physical property sample described in the utility model;
Fig. 2 be in Fig. 1 A-A to sectional view;
The structural representation of the direct-reading pressure gauge urceolus that Fig. 3 adopts for the utility model;
Fig. 4 be in Fig. 3 B-B to sectional view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to manual word to make those skilled in the art.
As shown in Figure 1, the utility model provides a kind of direct-reading manometer for downhole fluid high pressure physical property sample, and it comprises: cylindrical shell 1, its side cross-section vertically, can pick and place the manometric cavity of described direct-reading to form; First joint member 2 and the second joint member 3, it is separately fixed at the both ends of described cylindrical shell; Wherein, cable 4 is provided with in first joint member, described cable one end divides two-way to be connected to the first plug 5 and the second plug 6, and the other end of described cable is electrically connected with ground directly-reading system by a cable interface 7, and described cable interface is arranged in described first joint member; Described first plug is arranged in described first joint member, and is electrically connected with the direct-reading pressure gauge being positioned at described cavity; Described second plug is arranged in the second joint member, is electrically connected with external fluid high pressure physical property sample device.Here, the data that direct-reading pressure gauge records can be transferred to ground due to the design of cable by this device that the utility model provides, and make ground directly-reading system can real-time monitor the pressure and temperature of downhole fluid.
As seen from Figure 1, the first joint member described in the utility model and the second joint member are the tubulose that can insert described cylindrical shell, and are fixed on described cylindrical shell by screw 8.In fact, first joint member and the second joint member ram cylindrical shell two ends, and in order to play better fixation, after the first joint member of tubulose and the second joint member are inserted into cylindrical shell, additionally use multiple hexagon socket cap head screw circumferentially itself and cylindrical shell are fixed at it.
Because cylindrical shell is cross-section; and cylindrical shell must be passed when will be connected to the second joint member in the wherein road being arranged in the cable of the first joint member; in order to protect cable; in the utility model, preferably described cable is arranged with cable protection pipe 9 at least partially on the path extending to described second plug, and described cable protection pipe is positioned at the non-of described cylindrical shell cuts side open.Can also see from Fig. 1, in hold-down screw 8 position of the second joint member, cable protection pipe has bending, and in order to protect cable, it have also been devised cable protection pipe backplate 16.
Fig. 2 is that in Fig. 1, A-A is to sectional view, and as can see from Figure 2, the non-side of cutting open of described cylindrical shell is provided with clamping plate 10 in the both sides of described cable protection pipe, to stablize described cable protection pipe and to support the direct-reading pressure gauge 11 being arranged in cylindrical shell cavity.Meanwhile, the non-side of cutting open of described cylindrical shell is provided with multiple adjustment screw 12 for adjusting direct-reading pressure gauge position, described adjustment screw on the same cross section of cylindrical shell with the vertical plane at tubular axis place for minute surface is symmetrical between two.Here; radius due to direct-reading pressure gauge urceolus will be slightly less than the radius (so just can put in) of cylindrical shell 1; and protruding cable protection pipe is provided with in the bottom of cylindrical shell; therefore direct-reading pressure gauge urceolus wants stable to be placed in cylindrical shell; then must have and be applied to it from the non-power cutting cable protection pipe both sides, side open symmetrical of cylindrical shell, also need to be adjusted its position by adjustment screw simultaneously.After adjusting, be against on cylindrical shell by the jackscrew 13 being arranged on Relative distribution between two on the outer wall of cylindrical shell upper end, reached the effect better stablizing direct-reading pressure gauge urceolus.
Because the above-mentioned high pressure physical property sample device mentioned is only achieve with the second plug be positioned in the second joint member to be electrically connected, data communication can be carried out, and in order to ensure that the holder cylinder that high pressure physical property sample device can provide with the utility model is well integrated and then the high pressure physical property sample that cooperatively interacted, the second joint member that the utility model provides also is provided with helicitic texture, external high pressure physical property sampler can be threaded with the second joint member by this helicitic texture.
Preferably, the utility model provide in the direct-reading manometer of downhole fluid high pressure physical property sample, the cable interface 7 entering the first joint member in order to anti-fluid affects electrical conductance, devises the first thread protector component (not shown in figure 1); In order to protect the helicitic texture be connected with external high pressure physical property sampler that the second joint member designs, devise the second thread protector component (14 in Fig. 1); First thread protector component and the second thread protector component are arranged on the cable interface place of described first joint member and the helicitic texture of described second joint member all removably.In other words, when this direct-reading manometer is when coming into operation, two thread protector components take off, and when not coming into operation, are mounted in the first joint member and the second joint member.
Further, the first plug adopted in the utility model and the second plug are banana plug.
Because its cylindrical shell of direct-reading manometer for downhole fluid high pressure physical property sample provided in Fig. 1 is cross-section, conveniently load and unload direct-reading pressure gauge, the utility model has also carried out specialized designs to the manometric urceolus of direct-reading, make on it with groove 15 and hole 17, to replace simple manometer urceolus, slotted eye along urceolus circumference uniform distribution, as shown in Figure 3-4.Insert bottle opener rotation pressure meter, tight, shackle can be completed.Here, when installing direct-reading pressure gauge, only needing it correspondingly with holding in the palm the first plug of the first joint member in cylinder realization is installed is electrically connected, meanwhile also will carry out encapsulation process.
The using method of the direct-reading manometer for downhole fluid high pressure physical property sample that the utility model provides: first, direct-reading pressure gauge is mounted to holder cylinder, is connected with external cable head, sampler respectively by the upper and lower joint member of holder cylinder.Sampler is lowered to depth selection, opening well and making production.Real-Time Monitoring down-hole pressure and temperature, control surface choke, when down-hole flowing pressure above bubble point pressure is (if downhole fluid is gas, flowing pressure is higher than dew-point pressure), and when down-hole flowing pressure is stablized, ground controls to start trigger mechanism, the travelling piston of downhole sampler moves up under the effect of down-hole pressure, slowly draw downhole fluid, when piston encounters preset shutoff assembly, connecting rod drags needle-valve body and moves up, and sampler cuts out, and downhole fluid sample is sealed in sampling room.Oil gas (water) sample obtained is sent to laboratory, analyzes and asks for PVT parameter under reservoir condition.
Direct-reading manometer for downhole fluid high pressure physical property sample provided by the utility model, is together in series direct-reading pressure gauge and sampler, has both achieved Real-Time Monitoring down-hole pressure and temperature, guarantees that down-hole flowing pressure meets the condition of sampling; Solve again to the problem of sampler motor power supplying, while ground Real-Time Monitoring down-hole pressure can be realized, ground control carry out well sampling.Operating personnel are by monitor well downforce, and when down-hole flow regime meets sampling condition, ground controls well sampling, obtains qualified downhole fluid sample.Moreover, due to the series connection by direct-reading pressure gauge and sampler, make an operation instead of the operation twice of routine sampling, save construction operation cost.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in manual and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1., for a direct-reading manometer for downhole fluid high pressure physical property sample, it is characterized in that, comprising:
Cylindrical shell, its side cross-section vertically, can pick and place the manometric cavity of described direct-reading to form;
First joint member and the second joint member, it is separately fixed at the both ends of described cylindrical shell;
Wherein, in the first joint member, be provided with cable,
Described cable one end divides two-way to be connected to the first plug and the second plug, and the other end of described cable is electrically connected with ground directly-reading system; Described first plug is arranged in described first joint member, and is electrically connected with the direct-reading pressure gauge being positioned at described cavity; Described second plug is arranged in the second joint member, is electrically connected with external fluid high pressure physical property sample device.
2. as claimed in claim 1 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, the other end of described cable is electrically connected with ground directly-reading system by a cable interface, and described cable interface is arranged in described first joint member.
3. as claimed in claim 1 or 2 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, described first joint member and described second joint member are the tubulose that can insert described cylindrical shell, and are fixed by screws on described cylindrical shell.
4. as claimed in claim 1 for the direct-reading manometer of downhole fluid high pressure physical property sample; it is characterized in that; described cable is arranged with cable protection pipe at least partially on the path extending to described second plug, and described cable protection pipe is positioned at the non-of described cylindrical shell cuts side open.
5. as claimed in claim 4 for the direct-reading manometer of downhole fluid high pressure physical property sample; it is characterized in that; the non-side of cutting open of described cylindrical shell is provided with clamping plate in the both sides of described cable protection pipe, to stablize described cable protection pipe and to support the direct-reading pressure gauge being arranged in cylindrical shell cavity.
6. as claimed in claim 5 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, the non-side of cutting open of described cylindrical shell is provided with multiple adjustment screw for adjusting direct-reading pressure gauge position, described adjustment screw on the same cross section of cylindrical shell with the vertical plane at tubular axis place for minute surface is symmetrical between two.
7. as claimed in claim 6 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, the outer wall of described cylindrical shell is provided with multiple jackscrew, described jackscrew Relative distribution between two on described cylindrical shell.
8. as claimed in claim 1 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, described second joint member is also provided with helicitic texture, and described high pressure physical property sample device is threaded with described second joint member by described helicitic texture.
9., as claimed in claim 2 for the direct-reading manometer of downhole fluid high pressure physical property sample, it is characterized in that, also comprise:
Two thread protector components, it is arranged on the cable interface place of described first joint member and the helicitic texture of the second joint member respectively removably.
10. the direct-reading manometer for downhole fluid high pressure physical property sample as described in any one of claim 1-9, is characterized in that, described first plug and the second plug all adopt banana plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529751.8U CN204200218U (en) | 2014-09-15 | 2014-09-15 | A kind of direct-reading manometer for downhole fluid high pressure physical property sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529751.8U CN204200218U (en) | 2014-09-15 | 2014-09-15 | A kind of direct-reading manometer for downhole fluid high pressure physical property sample |
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| Publication Number | Publication Date |
|---|---|
| CN204200218U true CN204200218U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420529751.8U Expired - Fee Related CN204200218U (en) | 2014-09-15 | 2014-09-15 | A kind of direct-reading manometer for downhole fluid high pressure physical property sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
-
2014
- 2014-09-15 CN CN201420529751.8U patent/CN204200218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |