CN219265802U - Drilling fluid sampling device for petroleum and natural gas logging - Google Patents
Drilling fluid sampling device for petroleum and natural gas logging Download PDFInfo
- Publication number
- CN219265802U CN219265802U CN202320217835.7U CN202320217835U CN219265802U CN 219265802 U CN219265802 U CN 219265802U CN 202320217835 U CN202320217835 U CN 202320217835U CN 219265802 U CN219265802 U CN 219265802U
- Authority
- CN
- China
- Prior art keywords
- sampling
- drilling fluid
- air bag
- barrel
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a drilling fluid sampling device for petroleum and natural gas logging, which belongs to the technical field of drilling fluid sampling and aims at solving the problems that drilling fluid is difficult to separate and collect and drilling fluid detection is inaccurate due to the fact that ground broken stone is contained in a drilling fluid sample; according to the utility model, through the upward flushing of the drilling fluid in the drilling channel in the drilling process, the drilling fluid enters the sampling barrel through the opening, and the lower one-way valve is started when the liquid level reaches the height of the lower connecting pipe, and the sampling air bag is in a negative pressure state when the sampling air bag does not sample, so that the sample fluid at the inner side of the sampling barrel can be pumped into the sampling air bag to finish sampling collection, and the sampling fluid with different depths can be classified and collected through the upper sampling air bag and the lower sampling air bag, so that the practicability of the sampling device is improved.
Description
Technical Field
The utility model belongs to the technical field of drilling fluid sampling, and particularly relates to a drilling fluid sampling device for petroleum and natural gas logging.
Background
The logging is a process of using methods such as rock and mineral analysis, geophysics, geochemistry and the like to observe, collect, record and analyze returned object information of a shaft such as solid, liquid, gas and the like in the while-drilling process, thereby establishing a logging geological section, finding oil and gas display, evaluating an oil and gas layer, providing drilling information service for petroleum engineering, investors, drilling engineering and other engineering.
In the prior art, drilling fluid needs to be sampled and monitored in the process of petroleum and natural gas logging, the drilling fluid in different depths is difficult to separate and collect in the process of sampling the drilling fluid by the existing drilling fluid sampling device, and the drilling fluid is usually collected after contacting the ground, so that the interior of the drilling fluid usually contains impurities such as broken stones, and the subsequent drilling fluid detection is affected.
Therefore, a drilling fluid sampling device for petroleum and natural gas logging is needed, and the problems that drilling fluid is difficult to separate and collect and drilling fluid detection is inaccurate due to broken stone on the ground contained in a drilling fluid sample in the prior art are solved.
Disclosure of Invention
The utility model aims to provide a drilling fluid sampling device for petroleum and natural gas logging, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the drilling fluid sampling device for the petroleum and natural gas logging comprises a sampling barrel, wherein an automatic sampling mechanism is arranged on the inner side of the sampling barrel;
the automatic sampling mechanism comprises a connecting pipe, the connecting pipe is all run through respectively and fixed two upper and lower portions of sampling bucket outer wall, upper and lower both sides the equal annular distribution of connecting pipe, the equal threaded connection of sampling bucket one end is kept away from to the connecting pipe has the screwed pipe, the screwed pipe all runs through and fixes the sampling gasbag, the sampling bucket middle part is provided with the mounting groove, the mounting groove inboard is fixed with annular gasbag, annular gasbag middle part is provided with the through-hole, sampling bucket right side wall middle part is provided with the level gauge.
In the scheme, the periphery of the bottom wall mounting groove of the sampling bucket is provided with an opening, and the bottom of the outer side wall of the opening is fixedly provided with a sleeve.
It is further worth to say that the right side in the middle of annular gasbag roof runs through and is fixed with the intake pipe, the intake pipe top outside is provided with the sealing plug.
Furthermore, the middle parts of the connecting pipes are all provided with one-way valves.
As a preferred implementation mode, the right side of the middle part of the top wall of the sampling barrel penetrates through and is fixed with a pressure relief pipe, a pressure relief check valve is arranged on the lower side of the middle part of the periphery of the pressure relief pipe, and the sampling barrel is annular in shape.
As a preferred embodiment, a drill rod is arranged inside the through hole, and the drill rod is in clearance fit with the annular air bag.
Compared with the prior art, the drilling fluid sampling device for petroleum and natural gas logging provided by the utility model at least comprises the following beneficial effects:
(1) Through surging in drilling in-process drilling fluid in drilling passageway inside, drilling fluid passes through the opening and gets into inside the sampling bucket, starts downside check valve when the liquid level reaches downside connecting pipe height, because inside is in the negative pressure state when sampling gasbag does not take a sample to can accomplish the sampling collection with sampling bucket inboard sample liquid suction sampling gasbag inside, can carry out categorised collection to the sampling liquid of different degree of depth through upper and lower two sampling gasbag, improved sampling device's practicality.
(2) Through inserting the drilling rod inside the through-hole back to the inside inflation of intake pipe, the inflation in-process makes annular gasbag inflation to make the sample bucket fix outside the drilling rod, directly get into the sample bucket inside when making the drilling process drilling fluid gush out, thereby can not contact with ground and attach other impurity, improved sample detection accuracy.
Drawings
FIG. 1 is a schematic front perspective view of the present utility model;
FIG. 2 is a schematic bottom perspective view of the present utility model;
FIG. 3 is a schematic side perspective view of the present utility model;
fig. 4 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. a sampling barrel; 2. an automatic sampling mechanism; 3. a mounting groove; 4. an annular air bag; 5. a through hole; 6. a drill rod; 7. an air inlet pipe; 8. a sealing plug; 9. a pressure relief tube; 10. a pressure relief check valve; 11. a connecting pipe; 12. a one-way valve; 13. a threaded tube; 14. sampling an air bag; 15. an opening; 16. a sleeve; 17. a level gauge.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-4, the utility model provides a drilling fluid sampling device for petroleum and natural gas logging, which comprises a sampling barrel 1, wherein an automatic sampling mechanism 2 is arranged on the inner side of the sampling barrel 1;
the automatic sampling mechanism 2 comprises a connecting pipe 11, the connecting pipe 11 respectively penetrates through and fixes the upper part and the lower part of the outer wall of the sampling barrel 1, the connecting pipes 11 on the upper side and the lower side can collect sampling liquid with different depths, the connecting pipes 11 on the upper side and the lower side are all distributed annularly, one end of the connecting pipe 11, which is far away from the sampling barrel 1, is connected with a threaded pipe 13 in a threaded manner, the sampling air bag 14 can be detached from the connecting pipe 11 through rotating the threaded pipe 13, so that an internal sample is processed, the threaded pipe 13 penetrates through and fixes the sampling air bag 14, the sampling air bag 14 keeps a negative pressure state when not sampling, the sampling air bag 14 enables the drilling liquid on the inner side of the sampling barrel 1 to enter the sampling air bag 14 through opening a check valve 12, the middle part of the sampling barrel 1 is provided with a mounting groove 3, the inner side of the mounting groove 3 is fixedly provided with an annular air bag 4, the middle part of the annular air bag 4 is provided with a through hole 5, the middle part of the right side wall of the sampling barrel 1 is provided with a liquid level meter 17, the through hole 5 is contracted when the annular air bag 4 is inflated, so that the annular air bag is fixed on the outer side of a drill pipe 6, the liquid level meter 17 can observe the position of the inner side liquid of the sampling barrel 1, so that the drilling liquid can be controlled according to the liquid level height.
Further, as shown in fig. 1, 2 and 3, it is worth specifically describing that the periphery of the bottom wall mounting groove 3 of the sampling barrel 1 is provided with an opening 15, a sleeve 16 is fixed at the bottom of the outer side wall of the opening 15, the opening 15 enables drilling fluid to enter the inner side of the sampling barrel 1, and the sleeve 16 is in clearance fit with a well, so that the possibility of leakage of the drilling fluid can be reduced.
Further as shown in fig. 3, it is worth specifically explaining that the right side of the middle part of the top wall of the annular air bag 4 is penetrated and fixed with an air inlet pipe 7, the outer side of the top end of the air inlet pipe 7 is provided with a sealing plug 8, the annular air bag 4 is inflated through the air inlet pipe 7, the annular air bag 4 is inflated and fixed with a drill rod 6, and the sealing plug 8 can prevent the air leakage in the annular air bag 4 from causing the sampling barrel 1 to slide downwards.
The scheme comprises the following working processes: when the drilling fluid needs to be sampled, firstly, the drill rod 6 is inserted into the inner side of the through hole 5 and then is inflated into the air inlet pipe 7, the annular air bag 4 is inflated in the inflation process, so that the sampling barrel 1 is fixed outside the drill rod 6, the drilling fluid directly enters the sampling barrel 1 when the drilling fluid is gushed out in the drilling process, when the drilling fluid enters the sampling barrel 1 through the opening 15, the lower one-way valve 12 is started when the liquid level reaches the height of the lower connecting pipe 11, and the sampling air bag 14 is in a negative pressure state when the sampling air bag 14 does not sample, so that the sample fluid on the inner side of the sampling barrel 1 can be pumped into the sampling air bag 14 to complete sampling collection, and the sampling fluid with different depths can be classified and collected through the upper sampling air bag 14 and the lower sampling air bag 14.
The working process can be as follows: the annular air bag 4, the air inlet pipe 7 and the sealing plug 8 are used for installing the sampling device, the difficulty in installing and dismantling the sampling device is reduced, meanwhile, the position of the sampling barrel 1 on the periphery of the drill rod 6 can be conveniently adjusted, drilling fluid is prevented from contacting the ground, other impurities are attached, the sample detection accuracy is improved, the lower one-way valve 12 is started, the sampling air bag 14 is not used for sampling, the sample liquid in the sampling barrel 1 is pumped into the sampling air bag 14 to be sampled and collected, the sampling liquid with different depths can be classified and collected through the upper sampling air bag 14 and the lower sampling air bag 14, the diversity of samples is improved, and the detection result is more representative.
Further, as shown in fig. 1, 2 and 3, it should be specifically explained that the middle of the connecting pipe 11 is provided with a check valve 12, and the movement direction of the liquid inside the check valve 12 is only outward, so that the drilling fluid can only enter the sampling air bag 14 through the check valve 12, but cannot leave from the sampling air bag 14 to enter the connecting pipe 11.
Further as shown in fig. 1, it is worth specifically explaining that the right side of the middle part of the top wall of the sampling barrel 1 is penetrated and fixed with a pressure relief pipe 9, the lower side of the middle part of the periphery of the pressure relief pipe 9 is provided with a pressure relief check valve 10, the sampling barrel 1 is annular, and the pressure relief pipe 9 can prevent the sampling barrel 1 from falling off from the outer side of the drill rod 6 due to overlarge pressure in the drilling fluid injection process.
Further, as shown in fig. 1, it is worth specifically explaining that the drill rod 6 is disposed inside the through hole 5, the drill rod 6 is in clearance fit with the annular air bag 4, and the drill rod 6 and the annular air bag 4 are in clearance fit so as to facilitate the insertion of the drill rod 6 into the through hole 5 in the middle of the annular air bag 4.
To sum up: the inside is in negative pressure state when sampling gasbag 14 does not take a sample to can accomplish the sample collection with the inside sample liquid suction sampling gasbag 14 of sampling bucket 1 inside, the inside liquid direction of movement of check valve 12 is only outside removal, make drilling fluid only can get into inside the sampling gasbag 14 through check valve 12, and can not leave from sampling gasbag 14 and get into connecting pipe 11, the setting of pressure release pipe 9 can avoid drilling fluid injection in-process sampling bucket 1 to receive the too big pressure and lead to droing from the drilling rod 6 outside, drilling rod 6 and annular gasbag 4 clearance fit can be convenient for insert drilling rod 6 in the through-hole 5 department at annular gasbag 4 middle part.
Claims (6)
1. Drilling fluid sampling device for petroleum and natural gas logging, including sample barrel (1), its characterized in that: an automatic sampling mechanism (2) is arranged on the inner side of the sampling barrel (1);
automatic sampling mechanism (2) are including connecting pipe (11), connecting pipe (11) all run through and fixed sampling bucket (1) outer wall upper and lower two parts respectively, upper and lower both sides connecting pipe (11) all annular distribution, sampling bucket (1) one end equal threaded connection has screwed pipe (13) are kept away from to connecting pipe (11), screwed pipe (13) all run through and fixed sampling gasbag (14), sampling bucket (1) middle part is provided with mounting groove (3), mounting groove (3) inboard is fixed with annular gasbag (4), annular gasbag (4) middle part is provided with through-hole (5), sampling bucket (1) right side wall middle part is provided with liquid level gauge (17).
2. The drilling fluid sampling device for oil and gas logging according to claim 1, wherein: the periphery of the bottom wall mounting groove (3) of the sampling barrel (1) is provided with an opening (15), and the bottom of the outer side wall of the opening (15) is fixedly provided with a sleeve (16).
3. The drilling fluid sampling device for oil and gas logging according to claim 1, wherein: the right side of the middle part of the top wall of the annular air bag (4) is penetrated and fixed with an air inlet pipe (7), and the outer side of the top end of the air inlet pipe (7) is provided with a sealing plug (8).
4. The drilling fluid sampling device for oil and gas logging according to claim 1, wherein: the middle parts of the connecting pipes (11) are respectively provided with a one-way valve (12).
5. The drilling fluid sampling device for oil and gas logging according to claim 1, wherein: the right side of the middle part of the top wall of the sampling barrel (1) is penetrated and fixed with a pressure relief pipe (9), a pressure relief check valve (10) is arranged on the lower side of the middle part of the periphery of the pressure relief pipe (9), and the sampling barrel (1) is annular in shape.
6. The drilling fluid sampling device for oil and gas logging according to claim 1, wherein: the inner side of the through hole (5) is provided with a drill rod (6), and the drill rod (6) is in clearance fit with the annular air bag (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217835.7U CN219265802U (en) | 2023-02-14 | 2023-02-14 | Drilling fluid sampling device for petroleum and natural gas logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217835.7U CN219265802U (en) | 2023-02-14 | 2023-02-14 | Drilling fluid sampling device for petroleum and natural gas logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219265802U true CN219265802U (en) | 2023-06-27 |
Family
ID=86862817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320217835.7U Active CN219265802U (en) | 2023-02-14 | 2023-02-14 | Drilling fluid sampling device for petroleum and natural gas logging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219265802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309498A (en) * | 2023-11-30 | 2023-12-29 | 天津石油职业技术学院 | Petroleum detection device with multi-range sealing sampling |
-
2023
- 2023-02-14 CN CN202320217835.7U patent/CN219265802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309498A (en) * | 2023-11-30 | 2023-12-29 | 天津石油职业技术学院 | Petroleum detection device with multi-range sealing sampling |
| CN117309498B (en) * | 2023-11-30 | 2024-02-02 | 天津石油职业技术学院 | Petroleum detection device with multi-range sealing sampling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219265802U (en) | Drilling fluid sampling device for petroleum and natural gas logging | |
| CN207163755U (en) | Layered water sample sampling device | |
| WO2021026961A1 (en) | Self-adaptive gas release rod and shallow gas controlled gas release recovery system and method | |
| CN106437692B (en) | Deep karst leakage channel detection structure and method based on water level of inner pipe of drill rod | |
| CN105806650A (en) | Totally closed type soil sampler for soil layer age test sample | |
| CN201318166Y (en) | Plugging direct reading and pressure testing integrated device | |
| CN212321570U (en) | Gas detecting probe for detecting underground harmful gas | |
| CN218973894U (en) | Groundwater sampler for hydraulic loop geological engineering | |
| CN212337163U (en) | Sampling drilling tool for sand and pebble layer | |
| CN209873904U (en) | Three-in-one multifunctional geotechnical engineering monitoring device | |
| CN210604056U (en) | Soil gas acquisition and detection device | |
| CN108316920A (en) | Downhole drill gas detection logging test device | |
| US6920780B2 (en) | Tensiometer, drive probe for use with environmental testing equipment, and methods of inserting environmental testing equipment into a sample | |
| CN216050793U (en) | Soil extraction element is used in engineering geology reconnaissance | |
| CN113464123A (en) | Rapid water finding method and tubular column for coiled tubing of high-pressure water outlet horizontal well | |
| CN210626093U (en) | Overburden sampler | |
| JP2003139665A (en) | Method and apparatus for sampling groundwater as well as method and apparatus for measurement of groundwater level | |
| CN2158083Y (en) | Permeability detecting meter | |
| CN210049893U (en) | In-situ Raman detection system for underground fluid | |
| CN219694633U (en) | Groundwater sampler at fixed layer position | |
| CN206321639U (en) | A kind of aquiclude bailing test device | |
| CN113107478A (en) | Shallow fluid sampling device and sampling method | |
| CN210666049U (en) | Underground water magnetic resonance detection device | |
| CN218470300U (en) | Integral type soil radon concentration sampling test device | |
| CN217331698U (en) | Special collector structure for drilling and mining integrated soil radon measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |