CN1142430C - Analyser for oil and gas components of mud - Google Patents
Analyser for oil and gas components of mud Download PDFInfo
- Publication number
- CN1142430C CN1142430C CNB011387904A CN01138790A CN1142430C CN 1142430 C CN1142430 C CN 1142430C CN B011387904 A CNB011387904 A CN B011387904A CN 01138790 A CN01138790 A CN 01138790A CN 1142430 C CN1142430 C CN 1142430C
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- China
- Prior art keywords
- valve
- mud
- gas
- mud tank
- escape pipe
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- Expired - Fee Related
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Abstract
The present invention belongs to an analytical instrument for the oil gas components of mud, which realizes analyses and tests by a method that carrier gas and the evaporation gas of tested samples are mixed with each other for sampling. The present invention is composed of a gas inlet pipe 2, a mud tank 3, a heating rod 5, a gas cylinder bar 6, a gas outlet pipe 7, a multiple-way valve 8, a quantitative pipe 9, a column box 10, a capillary column 11, a detector 12, emptying electromagnetic valves 13, 14, a flow dividing valve 15 and a support frame 16. The present invention has the advantages of high testing precision, safety, convenience, no easy loss of the samples, etc. and can be extensively used for the analyses and the tests of mud in various oil fields.
Description
Technical field the invention belongs to a kind of hydrocarbon slurry proximate analysis device.
Background technology is present, and oil field analysis to measure mud sample adopts the thermovacuum sampling more, uses the method for gas chromatographic analysis then.This method is owing to be thermovacuum sampling, so hidden danger is arranged during operation, also the sample loss phenomenon can take place.
Summary of the invention the present invention adopts the method for carrier gas and sample steam gas mixed sampling when the analysis to measure mud sample, sampling degree of safety height, and sample loss is little.
Its principle of work is as follows:
Multiport valve 8 has two kinds of duties, and first kind of state is the sampling duty.1., 2. connect, 3., 4. connect, 5., 6. connection; Second kind of state is the analytical work state, 2., 3. connect, 4., 5. connect, 6., 1. connection.Carrier gas 1 connects the 1. point of multiport valve 8, the 2. point of draft tube 2 one termination multiport valves 8, and a termination support 16, mud tank 3 bottoms are connected with cylinder rod 6, can slide up and down.When cylinder rod 6 was released, mud tank 3 was connected with draft tube 2, escape pipe 7, and when cylinder rod 6 retracted, mud tank 3 disconnected with draft tube 2, escape pipe 7.Heating rod 5 is placed in the mud tank 3.3. the point of escape pipe 7 one termination supports 16, a termination multiport valve 8.On escape pipe 7, connect diverting valve 15.
When the sampling duty, cylinder rod 6 is released mud tank 3, and mud tank 3 and draft tube 2, escape pipe 7 are connected.Mud sample 4 sample gas that 5 heating produce through heating rods with by multiport valve 8 1., 2. and the carrier gas that enters of draft tube 2 mix.Along with entering of carrier gas, mixture pressure constantly increases, and by escape pipe 7,3., 4. enters quantity tube 9 by multiport valve 8.The gas that comes out from quantity tube 9 is leaded up to 13 emptying of emptying solenoid valve, another road flow through multiport valve 8 6., 5. point, by 14 emptying of emptying solenoid valve, do not allow detected gas enter post case 10.Diverting valve 15 is a kind of protective devices, and when gaseous tension was excessive in mud tank 3, releasing pressure automatically was regulated pressure, to guarantee the safety of equipment.
When the analytical work state, cylinder rod 6 retracts mud tank 3, and mud tank 3 and draft tube 2, escape pipe 7 are disconnected.Carrier gas 1 is swept along by the mixed gas sample to be measured in the quantity tube 9 of 1., 6. naming a person for a particular job of multiport valve 8, again by multiport valve 8 4., 5. put capillary chromatographic column 11 in the displacement pile case 10, after sample is separated, send into detecting device 12 and detect.At this moment, emptying solenoid valve 13,14 cuts out.
The present invention can be widely used in each php slurry check and analysis, has advantages such as accuracy of detection height, safety, convenience, the difficult loss of sample.
Description of drawings Fig. 1 is the analyser for oil and gas components of mud synoptic diagram, among the figure: the 1st, carrier gas, the 2nd, draft tube, the 3rd, mud tank, the 4th, mud sample, the 5th, heating rod, the 6th, cylinder rod, the 7th, escape pipe, the 8th, multiport valve, the 9th, quantity tube, the 10th, post case, the 11st, capillary chromatographic column, the 12nd, detecting device, 13, the 14th, emptying solenoid valve, the 15th, diverting valve, the 16th, support.
Embodiment
Carrier gas 1: nitrogen;
Draft tube 2, escape pipe 7: φ 2 white steel pipes;
The volume of mud tank 3: 600 milliliters;
The power of heating rod 5: 70 watts;
Cylinder model: QGX25 * 85;
The model of diverting valve 15: BY-1.
Experimental data:
Sample: the mud of Liaohe Oil Field well;
Analysis time: October 8 calendar year 2001;
Analysis times: 3 times (repeatability is analyzed).
| Sequence number | The component title | Peak area | Mean value | Deviation 1 | Deviation 2 | Deviation 3 | ||
| Sample 1 | Sample 2 | Sample 3 | ||||||
| 1 | nC1 | 50 | 59 | 54 | 54.33 | 7.98％ | 8.59％ | 0.61％ |
| 2 | nC2 | 85 | 88 | 92 | 88.33 | 3.77％ | 0.38％ | 4.15％ |
| 3 | nC3 | 106 | 110 | 95 | 103.67 | 2.25％ | 6.11％ | 8.36％ |
| 4 | nC4 | 264 | 258 | 271 | 264.33 | 0.13％ | 2.40％ | 2.52％ |
| 5 | nC5 | 70 | 78 | 65 | 71.00 | 1.41％ | 9.86％ | 8.45％ |
The analysis result deviation is very little as can be seen from the table, meets the requirement of relevant criterion fully.
Claims (2)
1, a kind of analyser for oil and gas components of mud, multiport valve (8) is arranged, quantity tube (9), post case (10), capillary chromatographic column (11), detecting device (12), emptying solenoid valve (13), (14), it is characterized in that: also have draft tube (2), mud tank (3), heating rod (5), cylinder rod (6), escape pipe (7), diverting valve (15), support (16), carrier gas (1) connects the 1. point of multiport valve (8), 2. the point of draft tube (2) one termination multiport valves (8), one termination support (16), mud tank (3) bottom is connected with cylinder rod (6), can slide up and down, when cylinder rod (6) is released, mud tank (3) and draft tube (2), escape pipe (7) is connected, at cylinder rod (6) when retracting, mud tank (3) and draft tube (2), escape pipe (7) disconnects, heating rod (5) is placed in the mud tank (3), escape pipe (7) one termination supports (16), 3. the point of one termination multiport valve (8); Multiport valve (8) has two kinds of duties, when the sampling duty, multiport valve (8) 1., 2. connect, 3., 4. connect, 5., 6. connect, cylinder rod (6) is released mud tank (3), make mud tank (3) and draft tube (2), escape pipe (7) is connected, mud sample (4) heats the sample gas that produces and passes through multiport valve (8) 1. through heating rod (5), 2. and the carrier gas that enters of draft tube (2) mix, along with entering of carrier gas, mixture pressure constantly increases, and by escape pipe (7), 3. by multiport valve (8), 4. enter quantity tube (9), the gas that comes out from quantity tube (9) is leaded up to emptying solenoid valve (13) emptying, multiport valve (8) is flowed through 6. in another road, 5. point is by emptying solenoid valve (14) emptying; When the analytical work state, 2., 3. connecting of multiport valve (8), 4., 5. connect, 6., 1. connect, cylinder rod (6) retracts mud tank (3), mud tank (3) and draft tube (2), escape pipe (7) are disconnected, carrier gas (1) is swept along by the mixed gas sample to be measured in the quantity tube (9) of 1., 6. naming a person for a particular job of multiport valve (8), 4., 5. put capillary chromatographic column (11) in the displacement pile case (10) by multiport valve (8) again, after sample separated, send into detecting device (12) and detect, emptying solenoid valve (13), (14) are closed.
2, a kind of analyser for oil and gas components of mud as claimed in claim 1 is characterized in that: connect diverting valve (15) on escape pipe (7), when gaseous tension is excessive in the mud tank (3), regulate pressure by diverting valve (15) releasing pressure automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011387904A CN1142430C (en) | 2001-12-10 | 2001-12-10 | Analyser for oil and gas components of mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011387904A CN1142430C (en) | 2001-12-10 | 2001-12-10 | Analyser for oil and gas components of mud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1352389A CN1352389A (en) | 2002-06-05 |
| CN1142430C true CN1142430C (en) | 2004-03-17 |
Family
ID=4674753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011387904A Expired - Fee Related CN1142430C (en) | 2001-12-10 | 2001-12-10 | Analyser for oil and gas components of mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1142430C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2856609B1 (en) * | 2003-06-27 | 2006-12-15 | Geolog Spa | SYSTEM FOR DEGASSING A LIQUID MEDIUM AND ANALYZING GASES CONTAINED IN THE LIQUID ENVIRONMENT |
| CN101424669B (en) * | 2008-12-11 | 2011-08-10 | 天津陆海石油设备系统工程有限责任公司 | Complete-releasing-light hydrocarbon automatic sample handling system |
| GB2529769B (en) * | 2013-06-20 | 2018-03-28 | Halliburton Energy Services Inc | Enhancing reservoir fluid analysis using partitioning coefficients |
| CN112129913B (en) * | 2020-11-20 | 2021-03-16 | 赛默飞世尔（上海）仪器有限公司 | Water quality analyzer, water quality on-line monitoring system and quantitative method for water quality analyzer |
-
2001
- 2001-12-10 CN CNB011387904A patent/CN1142430C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1352389A (en) | 2002-06-05 |
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