CN201924922U - Small-diameter stratum testing sampler - Google Patents
Small-diameter stratum testing sampler Download PDFInfo
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- CN201924922U CN201924922U CN201120083994XU CN201120083994U CN201924922U CN 201924922 U CN201924922 U CN 201924922U CN 201120083994X U CN201120083994X U CN 201120083994XU CN 201120083994 U CN201120083994 U CN 201120083994U CN 201924922 U CN201924922 U CN 201924922U
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Abstract
The utility model relates to petroleum exploration testing equipment, in particular to a small-diameter stratum testing sampler, which comprises a ground panel (3) and an underground detecting mechanism. The ground panel (3) is arranged on the earth surface and connected with the underground detecting mechanism by a plurality of cables, the diameter of the underground detecting mechanism is 75mm, the underground detecting mechanism consists of a plurality of functional sections, adjacent functional sections are connected with each other via outer shells in a threaded manner, the functional sections include a headstall (1), an electronic section (2), a balance section (4), a hydraulic section (5) and a mechanical section (6), the mechanical section (6) consists of a backup section (61) and a pumping section (62), the backup section (61) comprises a backup cylinder and a backup arm, a stratum is sealed by the aid of the backup section, and the pumping section realizes pressure testing and sampling functions. The small-diameter stratum testing sampler adopts the small-diameter design, is formed by splicing the functional sections and is simple in structure, easy in maintenance and convenient in use.
Description
Technical field
The utility model relates to the oil exploration testing equipment, is a kind of minor diameter formation testing sampler specifically.
Background technology
The logging technique of extracting in kind is exactly to extract the down-hole material object by equipment, and ground experiment obtains physical parameter in kind, and strata pressure and stratum temperature distribution data obtain real record, for the exploration and development of oil gas provides reliable basis.
Formation tester is a kind of equipment commonly used in the logging technique that extracts in kind, and what formation tester extracted is formation fluid (liquid or gas).Formation tester the earliest is that Schlumberger company developed in 1974, and Schlumberger company is referred to as RFT.Atlas company and Halliburton Company develop functionally similar product respectively, are called FMT and SFT.The instrument of each company is through years of development, although performance respectively has quality, apparatus structure is similar with major function.
Formation tester is as downhole instrument, but its high temperature high voltage resistant, shell special rolling-mill section manufacturing, sampling tube is arranged at the instrument bottom, and at the open hole well build-in test, once going into the well to measure strata pressure as required heap of times, and can gather some formation fluid samples.
Formation tester mostly is provided with the sampling cylindrical shell of prediction chamber and fixed capacity.Formation tester forecast pressure record comprises three different information, i.e. the of short duration strata pressure that drawing liquid is brought out during liquid column hydrostatic pressure in the well, strata pressure and prediction changes.These information can be used for understanding in-place permeability, but differentiate the contact surface of liquid and gas in the oil reservoir, oil, water, estimate the vertical connectedness of oil reservoir, the industry characteristics of research oil reservoir and the mode etc. of successively decreasing of oil reservoir.The fluid that takes out can be determined the suspicious flow volume property more accurately, and the oil-gas Layer that the identification conventional logging can't be discerned improves complex hydrocarbon layer interpretation coincidence rate, enlarges Exploration Domain.
The China's oil industry all is to introduce the formation tester product that this three major company produces at present.The instrument external diameter is big, price is high, multiple faults, accessory and service hysteresis etc., bring very big inconvenience to the user, has also influenced this instrument (formation tester) popularizing at home.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of minor diameter formation testing sampler, takes the minor diameter design, and is assembled, simple in structure by some function joints, is easy to safeguard, easy to use.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of minor diameter formation testing sampler, comprise the floor panel 3 and the down-hole detection agency that are arranged on the face of land, floor panel 3 is the power supply of down-hole detection agency by some cables, and the signal that the down-hole detection agency transmits up collected, amplifies, puts in order, be presented on the display floater of floor panel 3, it is characterized in that: the diameter of described down-hole detection agency is 75mm, comprises some function joints, the adjacent functional internode is threaded by shell body, is followed successively by from top to bottom:
Play the Malong 1 that is electrically connected the effect be connected with load,
Comprise test fluid pressure sensor, temperature pick up, contain the electronics joint 2 of water sensor,
Save inside and outside cavity pressure, make the instruments in the electronics joint 2 guarantee that the balance that seals saves 4 by the rubbery human body balanced hydraulic,
Machinery joint 6, machinery joint comprise that backup joint 61 and pump take out joint 62,
Described backup joint 61 is made up of backup cylinder and backup arm, by this joint realization packing stratum;
Described pump is taken out joint 62 and is finished pressure measurement and sampled functions.
On the basis of technique scheme, the length of the motor in the described hydraulic pressure joint 5 is 210.5mm, and diameter is 59.5mm.
On the basis of technique scheme, described pump is taken out joint and 62 is comprised: the prediction cylinder 24 that is arranged on 10 milliliters of volumes between top connection 21 and the center tap 22, be arranged on the sample storage cylinder 25 of 1 liter of volume between center tap 22 and the lower contact 23, between the cylinder shell between prediction cylinder 24 and the sample storage cylinder 25, be provided with piston rod 26.
On the basis of technique scheme, described backup arm comprises:
Back up plate 37 respectively is provided with a backup cylinder piston rod 320 on its upper left side and upper right side,
Fixedly connected with the right-hand member of back up plate 37 in the lower end of first righting board 31, the upper end is connected with top-right backup cylinder piston rod 320 by hinge,
Fixedly connected with the left end of back up plate 37 in the lower end of second righting board 32, the upper end is connected with upper left backup cylinder piston rod 320 by hinge,
The lower end of the 3rd righting board 33 is connected with upper left backup cylinder piston rod 320 by hinge, and the upper end is connected by the left end of hinge with packer 361, and described packer 361 is positioned at directly over the back up plate 37,
The lower end of the 4th righting board 34 is connected with top-right backup cylinder piston rod 320 by hinge, and the upper end is connected by the right-hand member of hinge with packer 361,
Two move horizontally piece 310 setting that is in the shape of the letter V, and its lower end all is connected by the middle part of hinge with back up plate 37, and the upper end is connected with upper left side and top-right backup cylinder piston rod 320 by hinge respectively,
The lower end of first cursor 311 is connected with top-right backup cylinder piston rod 320 by second fixed block 362, and the upper end is connected by the middle part of hinge with packer 361,
The lower end of second cursor 312 is connected with upper left backup cylinder piston rod 320 by second fixed block 362, and the upper end is connected by the middle part of hinge with packer 361.
Minor diameter formation testing sampler described in the utility model is taked the minor diameter design, and is assembled, simple in structure by some function joints, is easy to safeguard, easy to use.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 the utility model structural representation,
Fig. 2 pump is taken out the joint structural representation,
Fig. 3 backup arm structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Minor diameter formation testing sampler described in the utility model is a kind of formation tester, and true thing extracts the oil well logging special equipment, is to transfer to a kind of oil exploration testing equipment in the open hole well by cable.
As shown in Figure 1, minor diameter formation testing sampler described in the utility model, comprise: be arranged on the floor panel 3 on the face of land and the down-hole detection agency that diameter is 75mm, floor panel 3 is the power supply of down-hole detection agency by some cables, and the signal that the down-hole detection agency transmits up collected, amplifies, puts in order, be presented on the display floater of floor panel 3, observe and store, print and measure curve for the operator
Described down-hole detection agency comprises some function joints, and the adjacent functional internode is threaded by shell body, is followed successively by from top to bottom:
Malong 1, Malong head are the general parts of well logging industry, play the effect that is connected with load that is electrically connected; Malong 1 is connected by some cables with floor panel 3,
Machinery joint 6, machinery joint comprise that backup joint 61 and pump take out joint 62,
Described backup joint 61 is made up of backup cylinder and backup arm, by this joint realization packing stratum;
Described pump is taken out joint 62 and is finished pressure measurement and sampled functions.
Minor diameter formation testing sampler described in the utility model, can be at pressure data, temperature data, the formation fluid flow speed data on recording occurring continuously stratum, ground, formation fluid sample removedly also can obtain data such as formation fluid type, character and oil-gas ratio by the analysis to formation fluid sample simultaneously.In addition, can estimate in-place permeability and other characteristics according to data such as pressure, flow velocity and liquid viscosities.
On the basis of technique scheme, the length of the motor in the described hydraulic pressure joint 5 is 210.5mm, and diameter is 59.5mm.
Formation tester is at first wanted the packing stratum when work, this needs very high pressure.And that oil well logging instrument is limit by borehole diameter to do is big, and this is long-pending little and power output is big with regard to requiring instrument body.So all formation testers all adopt hydraulic transmission mode to satisfy the big instructions for use of unit volume power output, the motor in the hydraulic pressure joint 5 is the core component of hydraulic system power conversion, and the little power output of volume is big.
On the basis of technique scheme, as shown in Figure 2, described pump is taken out joint and 62 is comprised: the prediction cylinder 24 that is arranged on 10 milliliters of volumes between top connection 21 and the center tap 22, be arranged on the sample storage cylinder 25 of 1 liter of volume between center tap 22 and the lower contact 23, between the cylinder shell between prediction cylinder 24 and the sample storage cylinder 25, be provided with piston rod 26.Pump of the present utility model takes out that joint 62 collection pumps are taken out, pretest, sample storage function are one.Prediction cylinder 24 is the pretest chamber when measuring strata pressure, and sample storage cylinder 25 is the sample storage cavity when power cut-off.When the stratum liquid that will get in the down-hole took ground to, by guaranteeing that being got ground liquid is the undisturbed formation fluid, this instrument had the pump row function, moves back and forth by piston rod and realizes pump suction function.
On the basis of technique scheme, as shown in Figure 3, described backup arm comprises:
Back up plate 37 respectively is provided with a backup cylinder piston rod 320 on its upper left side and upper right side,
Fixedly connected with the right-hand member of back up plate 37 in the lower end of first righting board 31, the upper end is connected with top-right backup cylinder piston rod 320 by hinge,
Fixedly connected with the left end of back up plate 37 in the lower end of second righting board 32, the upper end is connected with upper left backup cylinder piston rod 320 by hinge,
The lower end of the 3rd righting board 33 is connected with upper left backup cylinder piston rod 320 by hinge, and the upper end is connected by the left end of hinge with packer 361, and described packer 361 is positioned at directly over the back up plate 37,
The lower end of the 4th righting board 34 is connected with top-right backup cylinder piston rod 320 by hinge, and the upper end is connected by the right-hand member of hinge with packer 361,
Two move horizontally piece 310 setting that is in the shape of the letter V, and its lower end all is connected by the middle part of hinge with back up plate 37, and the upper end is connected with upper left side and top-right backup cylinder piston rod 320 by hinge respectively,
The lower end of first cursor 311 is connected with top-right backup cylinder piston rod 320 by second fixed block 362, and the upper end is connected by the middle part of hinge with packer 361,
The lower end of second cursor 312 is connected with upper left backup cylinder piston rod 320 by second fixed block 362, and the upper end is connected by the middle part of hinge with packer 361.
Backup cylinder piston rod 320 promotes to move horizontally piece 310, first cursor 311, second cursor 312 are opened, drive packer 361 and back up plate 37 and be close to the borehole wall, and under the thrust hydraulic cylinder effect, push the borehole wall, squeeze broken mud cake, make hole path and combination of zones in the packer, packer rubber blocking-up mud admission passage, what guarantee admission passage is formation fluid rather than mud; Righting board is realized back up plate and packer fine motion, and the restriction wide-angle tilt helps packing.
Claims (4)
1. minor diameter formation testing sampler, comprise the floor panel (3) and the down-hole detection agency that are arranged on the face of land, floor panel (3) is the power supply of down-hole detection agency by some cables, and the signal that the down-hole detection agency transmits up collected, amplifies, puts in order, be presented on the display floater of floor panel (3), it is characterized in that: the diameter of described down-hole detection agency is 75mm, comprises some function joints, the adjacent functional internode is threaded by shell body, is followed successively by from top to bottom:
Play the Malong head (1) that is electrically connected the effect that is connected with load,
Comprise test fluid pressure sensor, temperature pick up, contain the electronics joint (2) of water sensor,
Save inside and outside cavity pressure, make the instrument in the electronics joint (2) guarantee that the balance that seals saves (4) by the rubbery human body balanced hydraulic,
Hydraulic pressure joint (5), the hydraulic pressure joint comprises the fuel tank of built-in hydraulic pressure components and parts, described hydraulic pressure components and parts comprise motor, pump, valve, cylinder and connecting line,
Machinery joint (6), machinery joint comprise that backup saves (61) and pump is taken out joint (62),
Described backup joint (61) is made up of backup cylinder and backup arm, realizes the packing stratum by this joint;
Described pump is taken out joint (62) and is finished pressure measurement and sampled functions.
2. minor diameter formation testing sampler as claimed in claim 1 is characterized in that: the length of the motor in the described hydraulic pressure joint (5) is 210.5mm, and diameter is 59.5mm.
3. minor diameter formation testing sampler as claimed in claim 1, it is characterized in that, described pump is taken out joint (62) and being comprised: the prediction cylinder (24) that is arranged on 10 milliliters of volumes between top connection (21) and the center tap (22), be arranged on the sample storage cylinder (25) of 1 liter of volume between center tap (22) and the lower contact (23), between the cylinder shell between prediction cylinder (24) and the sample storage cylinder (25), be provided with piston rod (26).
4. minor diameter formation testing sampler as claimed in claim 1 is characterized in that described backup arm comprises:
Back up plate (37) respectively is provided with a backup cylinder piston rod (320) on its upper left side and upper right side,
Fixedly connected with the right-hand member of back up plate (37) in the lower end of first righting board (31), the upper end is connected with top-right backup cylinder piston rod (320) by hinge,
Fixedly connected with the left end of back up plate (37) in the lower end of second righting board (32), the upper end is connected with upper left backup cylinder piston rod (320) by hinge,
The lower end of the 3rd righting board (33) is connected with upper left backup cylinder piston rod (320) by hinge, and the upper end is connected by the left end of hinge with packer (361), and described packer (361) is positioned at directly over the back up plate (37),
The lower end of the 4th righting board (34) is connected with top-right backup cylinder piston rod (320) by hinge, and the upper end is connected by the right-hand member of hinge with packer (361),
Two move horizontally piece (310) setting that is in the shape of the letter V, and its lower end all is connected by the middle part of hinge with back up plate (37), and the upper end is connected with upper left side and top-right backup cylinder piston rod (320) by hinge respectively,
The lower end of first cursor (311) is connected with top-right backup cylinder piston rod (320) by second fixed block (362), and the upper end is connected by the middle part of hinge with packer (361),
The lower end of second cursor (312) is connected with upper left backup cylinder piston rod (320) by second fixed block (362), and the upper end is connected by the middle part of hinge with packer (361).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120083994XU CN201924922U (en) | 2011-03-28 | 2011-03-28 | Small-diameter stratum testing sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120083994XU CN201924922U (en) | 2011-03-28 | 2011-03-28 | Small-diameter stratum testing sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201924922U true CN201924922U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120083994XU Expired - Fee Related CN201924922U (en) | 2011-03-28 | 2011-03-28 | Small-diameter stratum testing sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201924922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359372A (en) * | 2011-11-11 | 2012-02-22 | 郑州宜源翔石油科技有限公司 | Horizontal sidewall contact device |
| CN103437989A (en) * | 2013-06-18 | 2013-12-11 | 中国海洋石油总公司 | High-pressure fluid mixing pump control system and fluid pumping control method |
| CN108691539A (en) * | 2017-04-12 | 2018-10-23 | 中国石油天然气股份有限公司 | A kind of sampler |
-
2011
- 2011-03-28 CN CN201120083994XU patent/CN201924922U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359372A (en) * | 2011-11-11 | 2012-02-22 | 郑州宜源翔石油科技有限公司 | Horizontal sidewall contact device |
| CN102359372B (en) * | 2011-11-11 | 2013-11-13 | 郑州宜源翔石油科技有限公司 | Horizontal sidewall contact device |
| CN103437989A (en) * | 2013-06-18 | 2013-12-11 | 中国海洋石油总公司 | High-pressure fluid mixing pump control system and fluid pumping control method |
| US10208736B2 (en) | 2013-06-18 | 2019-02-19 | China National Offshore Oil Corporation | High-pressure fluid mixing pump control system and fluid suction control method |
| CN108691539A (en) * | 2017-04-12 | 2018-10-23 | 中国石油天然气股份有限公司 | A kind of sampler |
| CN108691539B (en) * | 2017-04-12 | 2021-08-03 | 中国石油天然气股份有限公司 | Sampler |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20160328 |