CN2583676Y - Well drilling slurry sample on line induction device - Google Patents
Well drilling slurry sample on line induction device Download PDFInfo
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- CN2583676Y CN2583676Y CN 02255871 CN02255871U CN2583676Y CN 2583676 Y CN2583676 Y CN 2583676Y CN 02255871 CN02255871 CN 02255871 CN 02255871 U CN02255871 U CN 02255871U CN 2583676 Y CN2583676 Y CN 2583676Y
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- line
- clear water
- water pipeline
- main drainage
- bypass line
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Abstract
The utility model relates to a well drilling slurry sample on-line drainage device, which belongs to the technical field of well logging gas survey of petroleum geologic exploration. The well drilling slurry sample on-line drainage device is composed of a main drainage pipe line, flow dividing pipe lines, a clear water pipeline and a set of control valves, wherein, a drainage point of the main drainage pipe line is lower than an outlet of the well drilling slurry and is hung and fixed to an overhead tank by using a double-head hanging card. A head end and a tail end of the main drainage pipe line are respectively provided with a control valve, and a first flow dividing pipe line is arranged between two control valves and a second flow dividing pipe line is arranged behind the control valve of the tail end. A control valve is respectively arranged on the first flow dividing pipe line and the clear water pipeline. Outside air can be effectively prevented from being mixed into samples of drilling slurry by the well drilling slurry sample on-line drainage device, and detecting analytical datum of non hydrocarbon gas is more real and reliable and the flow regulation and cut-out of the slurry samples are more convenient. The pipe lines are not easy to block by slurry, and thus large granule rock fragments can be prevented from entering a degasifier, when drilling is stopped, self pipe lines and the degasifier can be washed by clear water. The utility model is exclusively used for a newly developed on-line gas survey system for well drilling slurry.
Description
(1) technical field
The utility model relates to the injection device that the continuous drainage of liquid sample is sent to analytical instrument, particularly is the online drainage system of a kind of drilling mud sample of petroleum geology exploration on-line gas survey system for drilling mud special use.
(2) background technology
The petroleum geology exploration well logging technology of widespread usage is that the gas composition in the drilling mud is carried out check and analysis at present, finds that with this prospect pit hydrocarbon stratum shows.Conventional online gas examining system mainly is that the hydrocarbon gas in the drilling mud is carried out check and analysis, and drilling mud sample drainage system wherein is owing to easily sneak into outside air, so only be applicable to hydrocarbon gas is not suitable for the non-hydrocarbon gases check and analysis.By retrieval, do not find relevant patent documentation.
(3) summary of the invention
The purpose of this utility model provides a kind of drilling mud sample online drainage system with regard to being for the on-line gas survey system for drilling mud that we succeed in developing recently, makes this gas examining system can be used for again non-hydrocarbon gases is carried out online check and analysis to hydrocarbon gas.
Above-mentioned purpose is realized by following technical proposals:
This device is made up of main drainage tube line, bypass line, clear water pipeline and one group of operation valve.The mud sample drainage point that it is characterized in that main drainage tube is taken at 0.5～0.7 meter under the drilling mud outlet.The main drainage tube line adopts the double end elevator to hang and is fixed on the fill-up line.Fill-up line adopts the double end elevator to hang and is fixed on original built on stilts groove.Main drainage tube line head end and end respectively have an operation valve, between two operation valves first bypass line are set, and second bypass line is set after the bottom valve.An operation valve is arranged on first bypass line, and end of line is to the mud Buffer Pool.The terminal degasifier that connects of second bypass line, the head end place is provided with the clear water pipeline.An operation valve is arranged on the clear water pipeline, and it comes water end (W.E.) to be connected with tap water pipeline.
Main drainage tube line, bypass line and clear water pipeline in the above-mentioned drilling mud sample drainage system all adopt weldless steel tube, and wherein the diameter of the main drainage tube line and first bypass line is 40～60 millimeters, 20～30 millimeters of second bypass line and clear water pipeline diameters.
Before the terminal operation valve of main drainage tube line the filter sand net is set in the online drainage system of above-mentioned drilling mud sample.
The online drainage system of making according to technique scheme of drilling mud sample, because mud sample drainage point is lower than 0.5～0.7 meter of mud outlet, sneak into mud sample so prevented outside air effectively, more true and reliable to the check and analysis data of non-hydrocarbon gas.Owing to be provided with one group of operation valve, to the adjusting of mud sample flow with turn-off convenient.Because the main drainage tube line and the first bypass line diameter are enough big, have prevented that mud silts up.The filter sand net can prevent that oarse-grained landwaste from entering degasifier.Stopping boring the available clear water pipeline in back cleans degasifier.
(4) description of drawings
Accompanying drawing 1 is an architectural feature synoptic diagram of the present utility model.
Accompanying drawing 2 is workflow synoptic diagram of the present utility model.
In the accompanying drawing, the 1st, drill string, the 7th, drill bit, the 2nd, built on stilts groove, the 3rd, fill-up line, more than all be original.The 4th, the main drainage tube line, the 5th, the double end elevator, the 6th, main control valve, the 8th, the degasifier operation valve, 9 is first bypass line, the 10th, the suction pit operation valve, 11 is second bypass line, the 12nd, clear water pipeline, the 13rd, purge control valve.
(5) embodiment
As shown in Figure 1, this device is made up of main drainage tube line 4, bypass line 9 and 11, clear water pipeline 12 and one group of operation valve 6,8,10,13.The drainage point of main drainage tube line 4 is lower than drilling mud to be imported and exported, so mud sample is difficult for sneaking into outside air.Main drainage tube line 4 adopts double end elevator 5 to hang and is fixed on the fill-up line 3.Fill-up line 3 adopts the double end elevator to hang and is fixed on the built on stilts groove 2.Main drainage tube line 4 head ends have main control valve 6, and end has between 8, two operation valves of degasifier operation valve first bypass line 9 is set, and second bypass line 11 is set after the operation valve 8.Individual operation valve 10 is arranged on first bypass line 9, and pipeline 9 ends are to the mud Buffer Pool.Second bypass line, the 11 terminal degasifiers that connect, the head end place is provided with clear water pipeline 12.An operation valve 13 is arranged on the clear water pipeline 12, and it comes water end (W.E.) to be connected with tap water pipeline.
As shown in Figure 2, its workflow is: the drilling mud sample at first enters main drainage tube line 4, and regulates its total flow by main control valve 6.Be split into two-way then, wherein most of mud sample enters first bypass line 9, and flows to the mud Buffer Pool through operation valve 10; Have only the sub-fraction mud sample to filter the bulky grain landwaste, regulate its flow through operation valve 8 again and meet the demands, enter second bypass line 11, flow to degasifier at last by the filter sand net.After stopping boring, connect clear water pipeline 12, open purge control valve 13, clean second bypass line 11 and the degasifier with clear water.
Claims (3)
1. online drainage system of drilling mud sample, by main drainage tube line (4), bypass line (9) and (11), clear water pipeline (12) and one group of operation valve (6), (8), (10), (13) form, the mud sample drainage point that it is characterized in that main drainage tube line (4) is taken at 0.5～0.7 meter, drilling mud outlet below, main drainage tube line (4) adopts double end elevator (5) to hang and is fixed on the fill-up line (3), fill-up line (3) adopts double end elevator (5) to hang and is fixed on original built on stilts groove (2), main drainage tube line (4) head end and end respectively have an operation valve (6) and (8), first bypass line (9) is set between two operation valves (6) and (8), operation valve (8) is provided with second bypass line (11) afterwards, an operation valve (10) is arranged on first bypass line, pipeline (9) is terminal to the mud Buffer Pool, the terminal degasifier that connects of second bypass line (11), the head end place is provided with clear water pipeline (12), individual operation valve (13) is arranged on the clear water pipeline line (12), and it comes water end (W.E.) to be connected with tap water pipeline.
2. drilling mud sample drainage system according to claim 1, it is characterized in that main drainage tube line (4), bypass line (9) and (11), clear water pipeline (12) all adopt weldless steel tube, wherein the diameter of main drainage tube line (4) and first bypass line (9) is 40～60 millimeters, 20～30 millimeters of second bypass line (11) and clear water pipeline (12) diameters.
3. drilling mud sample drainage system according to claim 1 is characterized in that the preceding filter sand net that is provided with of terminal operation valve (8) of main drainage tube line (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255871 CN2583676Y (en) | 2002-12-07 | 2002-12-07 | Well drilling slurry sample on line induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255871 CN2583676Y (en) | 2002-12-07 | 2002-12-07 | Well drilling slurry sample on line induction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2583676Y true CN2583676Y (en) | 2003-10-29 |
Family
ID=33724279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02255871 Expired - Fee Related CN2583676Y (en) | 2002-12-07 | 2002-12-07 | Well drilling slurry sample on line induction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2583676Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928518A (en) * | 2011-08-11 | 2013-02-13 | 中国石油化工股份有限公司 | Method for measuring degassing efficiency of drilling fluid through complete degassing value-gas measuring value process |
-
2002
- 2002-12-07 CN CN 02255871 patent/CN2583676Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928518A (en) * | 2011-08-11 | 2013-02-13 | 中国石油化工股份有限公司 | Method for measuring degassing efficiency of drilling fluid through complete degassing value-gas measuring value process |
| CN102928518B (en) * | 2011-08-11 | 2014-07-02 | 中国石油化工股份有限公司 | Method for measuring degassing efficiency of drilling fluid through complete degassing value-gas measuring value process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |