CN202140085U - Well drilling sampling device - Google Patents
Well drilling sampling device Download PDFInfo
- Publication number
- CN202140085U CN202140085U CN201120224371U CN201120224371U CN202140085U CN 202140085 U CN202140085 U CN 202140085U CN 201120224371 U CN201120224371 U CN 201120224371U CN 201120224371 U CN201120224371 U CN 201120224371U CN 202140085 U CN202140085 U CN 202140085U
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- Prior art keywords
- cylinder
- sampling
- sample
- sampling device
- well drilling
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- Expired - Lifetime
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- 238000005070 sampling Methods 0.000 title claims abstract description 38
- 238000005553 drilling Methods 0.000 title abstract description 26
- 238000007872 degassing Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 239000012530 fluid Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A well drilling sampling device relates to the technical field of degassing sampling and sample gas collecting devices, solves the problem that sampling depends on a vibrating screen and manual valve opening sampling in the prior art, and designs a well drilling sampling device capable of timely and continuously obtaining rock debris under various conditions, wherein the well drilling sampling device comprises a separating cylinder and a supporting base, an input pipe is arranged at the lower end of the separating cylinder, an output pipe is arranged at the upper end of the separating cylinder, and a funnel and a sampling screen are arranged on the inner bottom surface of the separating cylinder; the utility model has the characteristics of the collection of detritus sample is convenient and realize the detritus admission, the sample that outgases, sample gas are surveyed.
Description
Technical field:
A kind of well-sampling device is used for the landwaste admission under drilling fluid drilling well, gas drilling and the leakage condition, relates to the design and manufacturing technology field of integrated degassing sampling, sample gas detection gathering-device.
Background technology:
Sieve residue log is a very important job in the oil-gas exploration and development process, can grasp down-hole formation sequence, lithology through sieve residue log, understands oil-containing, gas, the regimen condition of drilling strata, the geologic prediction and the engineering forecast work of carrying out oil drilling.The most important condition of sieve residue log is to obtain representative chip sample, guarantees the continuity and the accuracy of sample, yet traditional landwaste sampling method is to connect appearance at one jiao of more placement sampling dish of vibrosieve sand production rate at present; The shortcoming of this method is: sampling will rely on vibrosieve fully; If stopping, vibrosieve one can't take a sample, and, the continuity and the authenticity face that only also are difficult to guarantee take a sample one jiao of sampling; In addition; Present sampling method needs the technician scene to wait for, and labour intensity is big, and is inconvenient to clean;
In order to improve bit speed; Accelerate the development rate of oil gas field; The gas drilling technology has obtained general application in oil-gas exploration and development at present, and the fluid media (medium) of the gas drilling circulating system becomes gas by the liquid of routine, therefore can't collect landwaste at the vibrosieve place; Under the situation of gas drilling, carry out on-the-spot landwaste sampling; Normally below the sediment outflow pipeline, draw a sampling line; Valve is set with the control sampling on sampling line, its shortcoming is: owing to be manually to open the valve sampling, the landwaste of taking-up is discontinuous and inadequate; Thereby cause the geological work personnel to be difficult to carry out cutting description and geology layering accurately, can not satisfy the well logging requirement.
And in drilling process, in order to prevent leakage or to carry out in the process of blocking construction, play a role for guaranteeing the sealing agent in the drilling fluid; Vibrosieve often all is closed; In this case, the geological logging personnel can only open vibrosieve to fish for a spot of landwaste discontinuously for fishing for landwaste; The landwaste continuity and the representativeness of fishing for like this are all very poor, and work has brought very big difficulty to geological logging.
The utility model content:
The purpose of the utility model is the shortcoming to prior art, according in time, thinking continuously and easily, has designed a kind of well-sampling device that can under various situation, obtain landwaste in time, continuously.
The technical scheme of the utility model is following:
A kind of well-sampling device; Comprise cylinder and base for supporting; It is characterized in that: be provided with input pipe 1 in the lower end of said cylinder 5; The upper end of cylinder 5 is provided with efferent duct 4, and cylinder 5 inner bottom surfaces are provided with funnel 7 and sampling sieve 8, and cylinder 5 is installed on the base 10 and bracing frame 9 of said base for supporting;
The outlet of said input pipe 1 in cylinder 5 is directly to face toward cylinder inboard wall;
Said funnel 7 is pyramidal structures;
During use; Drilling fluid, perhaps the gas-entrained well drilling detritus gets into cylinders 5 by the inner outlet of input pipe 12 since input pipe 1 in the outlet of cylinder 5 inner faces facing to cylindrical shell inner round wall face; Therefore; The fluid sample that gets into can be injected on barrel wall, and rotation is in getting into cylinder 5, so that better separate landwaste; After separating, the part landwaste is deposited on cylinder 5 bottoms, is collected by sampling sieve 8, and all the other are then discharged by efferent duct 4 places, and sampling sieve 8 is arranged among the funnel 7, is beneficial to the collection of chip sample.
The advantage and the beneficial effect of the utility model are following:
The input pipe of design makes the liquid that gets in the bucket produce the power principle along the barrel eddy flow at the outlet of the cylinder inner face wall facing to circle in the cylindrical shell, can guarantee that like this fluid sample that gets into stays along the rotation of bucket wall; Can better separate landwaste, efferent duct 4 is positioned at the upper end of cylinder 5, disengaging time that the sample that can get into is enough and space; Thereby guarantee to obtain enough chip samples; Funnel 7 is arranged on the bottom surface in the cylinder 5, and is tapered, is more conducive to the collection of chip sample; Because the utility model is independently to take a sample; Therefore under the situation that does not rely on vibrosieve; Applicable to the admission of the landwaste under drilling fluid drilling well, gas drilling and the leakage condition of routine, and can realize work such as landwaste admission, degassing sampling, sample gas detection.
Description of drawings:
Fig. 1 is the utility model broken section structural representation.
The specific embodiment:
Provide the embodiment of the utility model below in conjunction with accompanying drawing.
The structure of the utility model is following: a kind of well-sampling device; Comprise cylinder 5, bracing frame 9, base 10; Be provided with input pipe 1 in the lower end of cylinder 5; The upper end of cylinder 5 is provided with efferent duct 4, and cylinder 5 inner bottom surfaces are provided with funnel 7, sampling sieve 8, and cylinder 5 is installed on base 10 and the bracing frame 9; In order to make liquid in rotation get into cylinder 5, the outlet of input pipe 1 in cylinder 5 is directly to face toward cylinder inboard wall, and in order to collect the facility of sample, funnel 7 is designed to pyramidal structure; Drilling fluid, perhaps the gas-entrained well drilling detritus gets into cylinder 5 by the internal orifice 2 of input pipe 1, in cylinder 5, separates, and after separating, the part landwaste is collected by sampling sieve 8 at the bottom of being deposited on the pond, and all the other are then discharged by efferent duct 4 places.
The course of work of the utility model is following:
1. sampling method: arrive the sample time of setting when creeping into, open cylinder top cover 3 by manual work, also can open bottom 6, sieve 8 taking-ups of will take a sample can obtain continuous, sufficient chip sample.
2. separation method: cylinder 5 is designed with top cover 3 and bottom 6, with the extraction and the cleaning of cylinder 5 that makes things convenient for sample, and can need select use by the scene; Input pipe 1 is positioned at the outside of cylinder 5 bottoms, is not equal to 90 ° with the horizontal setting angle of the cylindrical shell of cylinder 5, therefore; Input pipe 1 in the outlet of cylinder 5 inner faces facing to cylindrical shell inner round wall face; According to centrifugal principle, such design can guarantee that the fluid sample that gets into can be injected on barrel wall; Rotate in the cylinder 5, so that better separate landwaste; Efferent duct 4 is positioned at the upper end of cylinder 5, and such design is for the sample that gets into enough disengaging time and space, thereby guarantees to obtain enough chip samples; Funnel 7 is arranged on the inner bottom surface of cylinder 5, and sampling sieve 8 is arranged among the funnel 7, is beneficial to the collection of chip sample.
3. under unconventional situation, carry out multiple sampling:
(1) under the plugging while drilling condition, carries out landwaste when admission, the input pipe 1 of the utility model is connected on the pipeline of drilling fluid outlet, after the drilling fluid that returns out from the down-hole gets into cylinder 5; Through rotation, sinking, chip sample can be deposited among the sampling sieve 8 through funnel 7; Therefore, vibrating screen surface need be do not opened, loss circulation material and landwaste can be separated preferably yet; Open top cover 3 or bottom 6 in the time of setting, can obtain continuous, sufficient chip sample;
(2) when implementing the gas drilling construction; For collected specimens gas; Can earlier a mounting interface be set on the top cover 3 of cylinder 5 upper ends based on the needs at scene, be connected with the mounting interface of setting by small-sized degasser; Just can in the landwaste admission, realize the collection and the conveying of sample gas, can also solve the use problem of degas system under the plugging while drilling condition;
When (3) gathering the content information of hydrogen sulfide if desired, also can on the mounting interface that is provided with on the top cover 3 of cylinder 5 upper ends, hydrogen sulfide, humidity sensor be set, the hydrogen sulfide of down-hole and the information of humidity are detected according to the needs at scene; The interface of the hydrogen sulfide of detection down-hole and the information of humidity also can be arranged on the efferent duct 4.
Claims (3)
1. well-sampling device; Comprise cylinder and base for supporting; It is characterized in that: the lower end at said cylinder is provided with input pipe; The upper end of cylinder is provided with efferent duct, and the cylinder inner bottom surface is provided with funnel, sampling sieve, and cylinder is installed on the base and bracing frame of said base for supporting.
2. well-sampling device according to claim 1 is characterized in that: the outlet of said input pipe in cylinder is directly to face toward cylinder inboard wall.
3. well-sampling device according to claim 1 is characterized in that: said funnel is a pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224371U CN202140085U (en) | 2011-06-29 | 2011-06-29 | Well drilling sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224371U CN202140085U (en) | 2011-06-29 | 2011-06-29 | Well drilling sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140085U true CN202140085U (en) | 2012-02-08 |
Family
ID=45551146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120224371U Expired - Lifetime CN202140085U (en) | 2011-06-29 | 2011-06-29 | Well drilling sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140085U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401582A (en) * | 2016-11-30 | 2017-02-15 | 吉林大学 | Integral bionic semipermeable membrane degasifier |
| CN110702818A (en) * | 2019-11-08 | 2020-01-17 | 中国石油大学(北京) | Logging device |
| CN116296714A (en) * | 2023-05-24 | 2023-06-23 | 胜利油田胜油测录工程技术有限公司 | Gas processing device for well head end analysis of logging engineering |
-
2011
- 2011-06-29 CN CN201120224371U patent/CN202140085U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401582A (en) * | 2016-11-30 | 2017-02-15 | 吉林大学 | Integral bionic semipermeable membrane degasifier |
| CN110702818A (en) * | 2019-11-08 | 2020-01-17 | 中国石油大学(北京) | Logging device |
| CN116296714A (en) * | 2023-05-24 | 2023-06-23 | 胜利油田胜油测录工程技术有限公司 | Gas processing device for well head end analysis of logging engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |