CN104074506A - Special hydraulic cylinder type single well crude oil flowmeter for oil field - Google Patents
Special hydraulic cylinder type single well crude oil flowmeter for oil field Download PDFInfo
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- CN104074506A CN104074506A CN201410303713.5A CN201410303713A CN104074506A CN 104074506 A CN104074506 A CN 104074506A CN 201410303713 A CN201410303713 A CN 201410303713A CN 104074506 A CN104074506 A CN 104074506A
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Abstract
The invention discloses a special hydraulic cylinder type single well crude oil flowmeter for an oil field. A main cylinder mechanism comprises a main cylinder body, a main piston and a middle shaft, wherein the main piston is arranged in the main cylinder body; the middle shaft passes through the main piston and is then arranged in a reversing cylinder mechanism; the reversing cylinder mechanism comprises a reversing cylinder body and a reversing piston; the reversing piston is arranged in the reversing cylinder body; and the middle shaft is connected with the reversing piston. A sub cylinder mechanism comprises a sub cylinder body and a sub piston; the sub piston is arranged in the sub cylinder; the inside of the main cylinder body is communicated with the inside of the sub cylinder body; the inside of the sub cylinder body is communicated with the inside of the reversing cylinder body; a counter is arranged outside the reversing cylinder mechanism; the reversing piston is connected with a contact; the contact can be in contact with the counter after passing through the reversing cylinder body; the reversing piston is inwards recessed for forming two circles of reversing annular ways; the reversing annular ways are communicated with the inside of the sub cylinder body through oil pipes; the sub piston is inwards recessed for forming two circles of sub annular ways; and the sub annular ways are communicated with the inside of the main cylinder body through oil pipes. The special hydraulic cylinder type single well crude oil flowmeter has the advantage that the single well crude oil yield can be accurately metered through mechanical and hydraulic combined action.
Description
Technical field
The present invention relates to a kind of flow meter, especially relate to a kind of new flowmeter used in single oil well that is exclusively used in oil field.
Background technology
Oil claims again crude oil, be a kind of thickness, dark brown (sometimes a little green) liquid.There is petroleum storage upper crustal some areas.It is mixed and is formed by different hydrocarbons, and its chief component composition is alkane, goes back in addition the elements such as sulfur-bearing, oxygen, nitrogen, phosphorus, vanadium in oil.Oil is mainly used as fuel oil and gasoline, and fuel oil and gasoline form one of most important primary energy in the world.Oil is also that many chemical industry products are as the raw material of solution, chemical fertilizer, pesticide and plastics etc.Oil is mainly hydrocarbon.It is mixed and is formed by different hydrocarbons, the chemical element that forms oil is mainly carbon (83% ~ 87%), hydrogen (11% ~ 14%), and all the other are sulphur (0.06% ~ 0.8%), nitrogen (0.02% ~ 1.7%), oxygen (0.08% ~ 1.82%) and minor metallic element (Ni-V-Fe, antimony etc.).By carbon and hydrogenation, close the chief component that the hydro carbons forming forms oil, account for 95% ~ 99%, various hydro carbons are divided into by its structure: alkane, cycloalkane, aromatic hydrocarbon.General natural oil does not often contain alkene and the alkynes that quantity does not wait in secondary operations product containing alkene.Sulfur-bearing, oxygen, nitrogen compound are harmful to oil product, in PETROLEUM PROCESSING, should remove as far as possible.Stone oil properties is different because of the place of production, and density is 0.8 ~ 1.0 gram per centimeter, and range of viscosities is very wide, freezing point difference very large (30 ~-60 degrees Celsius), boiling spread is more than normal temperature to 500 degree Celsius, dissolves in multiple organic solvent, water insoluble, but can form emulsion with water.But the composition of the oil in different oil fields and appearance can be distinguished very large.Oil is mainly used as fuel oil and gasoline, and fuel oil and gasoline form at present one of most important primary energy in the world.Along with the most of oil field of China enter in after the productive life, well yield constantly declines, the value of some oil well produced crude oil is even less than the expense that oil well maintains operation, owing to there is no reliable flow meter, after each oil pipeline can only be summarised in station, with 1 flow meter metering, cannot learn every mouthful of well yield, stripper well is the crude oil of suck-back high-yield well sometimes, on well site, also cannot know rapidly place well yield, to in-situ processing, make troubles.
Summary of the invention
The object of the invention is to overcome above-mentioned existing in after the well site of productive life cannot know rapidly place well yield, the problem of making troubles to in-situ processing, designed a kind of new flowmeter used in single oil well that is exclusively used in oil field, this flow meter is by the acting in conjunction of machinery and hydraulic pressure, the output that can accurate-metering goes out single-well crude oil, solved existing in after the well site of productive life cannot know rapidly place well yield, the problem of making troubles to in-situ processing.
Object of the present invention is achieved through the following technical solutions: a kind of new flowmeter used in single oil well that is exclusively used in oil field, comprise master cylinder mechanism, Fu Gang mechanism, reversing cylinder mechanism and oil pipe, described master cylinder mechanism and secondary cylinder mechanism connection, Fu Gang mechanism and reversing cylinder mechanism connection, described master cylinder mechanism comprises Master cylinder body, main piston and axis, main piston is arranged in Master cylinder body, and the inwall close contact of the outer wall of main piston and Master cylinder body, axis is arranged in reversing cylinder mechanism through one end after main piston, described reversing cylinder mechanism comprises commutation cylinder body and reversing piston, reversing piston is arranged in commutation cylinder body, and the inwall close contact of the outer wall of reversing piston and commutation cylinder body, axis is connected with reversing piston, in reversing piston, be provided with balance pipe, balance pipe is the internal communication with commutation cylinder body through reversing piston, described Fu Gang mechanism comprises subsidiary cylinder and auxiliary piston, auxiliary piston is arranged in subsidiary cylinder, and the inwall close contact of the outer wall of auxiliary piston and subsidiary cylinder, Master cylinder body inside and subsidiary cylinder inside are communicated with by oil pipe, subsidiary cylinder is inner to be communicated with by oil pipe with commutation cylinder interior, reversing cylinder mechanism outer setting has counter, reversing piston is connected with contact, contact can contact with counter after passing commutation cylinder body, the outer wall indent of reversing piston forms two circle commutation circuits, commutation circuit is by oil pipe and subsidiary cylinder internal communication, the outer wall indent of auxiliary piston forms two circle inner loop roads, oil pipe and Master cylinder body internal communication are crossed in inner loop road.
Described subsidiary cylinder and commutation circuit connectivity part are positioned at the two ends of subsidiary cylinder, and auxiliary piston is arranged between two junctions; Described Master cylinder body and inner loop road connectivity part are positioned at the two ends of Master cylinder body, and main piston is arranged between two junctions.
On the outer wall of described axis, be sheathed with two positioning tables, positioning table is all arranged in Master cylinder body, and main piston is arranged between two positioning tables, and main piston can move between two positioning tables.
In sum, the invention has the beneficial effects as follows: this flow meter is by the acting in conjunction of machinery and hydraulic pressure, the output that can accurate-metering goes out single-well crude oil, solved existing in after the well site of productive life cannot know rapidly place well yield, the problem of making troubles to in-situ processing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark and corresponding component title in accompanying drawing: 1-oil pipe two; The left chamber of 2-master cylinder; 3-Master cylinder body; 4-axis; 5-main piston; The right chamber of 6-master cylinder; 7-commutation circuit one; 8-balance pipe; 9-commutation cylinder body; 10-counter; 11-oil pipe one; 12-contact; 13-reversing piston; 14-commutation circuit two; 15-oil pipe three; 16-oil pipe four; 17-subsidiary cylinder; 18-auxiliary piston; 19-inner loop road two; 20-oil pipe five; 21-inner loop road one; 22-oil pipe six; 23-oil pipe seven; 24-oil pipe eight; 25-positioning table; The left chamber of 26-secondary cylinder; The right chamber of 27-secondary cylinder.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of new flowmeter used in single oil well that is exclusively used in oil field, comprise master cylinder mechanism, Fu Gang mechanism, reversing cylinder mechanism and oil pipe, described master cylinder mechanism and secondary cylinder mechanism connection, Fu Gang mechanism and reversing cylinder mechanism connection, described master cylinder mechanism comprises Master cylinder body 3, main piston 5 and axis 4, main piston 5 is arranged in Master cylinder body 3, and the inwall close contact of the outer wall of main piston 5 and Master cylinder body 3, axis 4 is arranged in reversing cylinder mechanism through the rear one end of main piston 5, described reversing cylinder mechanism comprises commutation cylinder body 9 and reversing piston 13, reversing piston 13 is arranged in commutation cylinder body 9, and the inwall close contact of the outer wall of reversing piston 13 and commutation cylinder body 9, axis 4 is connected with reversing piston 13, in reversing piston 13, be provided with balance pipe 8, balance pipe 8 is the internal communication with commutation cylinder body 9 through reversing piston 13, described Fu Gang mechanism comprises subsidiary cylinder 17 and auxiliary piston 18, auxiliary piston 18 is arranged in subsidiary cylinder 17, and the inwall close contact of the outer wall of auxiliary piston 18 and subsidiary cylinder 17, Master cylinder body 3 inside and subsidiary cylinder 17 inside are communicated with by oil pipe, subsidiary cylinder 17 is inner to be communicated with by oil pipe with commutation cylinder body 9 inside, reversing cylinder mechanism outer setting has counter 10, reversing piston 13 is connected with contact 12, contact 12 can contact with counter 10 after passing commutation cylinder body 9, the outer wall indent of reversing piston 13 forms two circle commutation circuits, commutation circuit is by oil pipe and subsidiary cylinder 17 internal communication, the outer wall indent of auxiliary piston 18 forms two circle inner loop roads, oil pipe and Master cylinder body 3 internal communication are crossed in inner loop road.Described subsidiary cylinder 17 and commutation circuit connectivity part are positioned at the two ends of subsidiary cylinder 17, and auxiliary piston 18 is arranged between two junctions; Described Master cylinder body 3 and inner loop road connectivity part are positioned at the two ends of Master cylinder body 3, and main piston 5 is arranged between two junctions.Between main piston 5 and Master cylinder body 3, by little intermittent oiling film, seal, between main piston 5 and axis 4, adopt seal with O ring, main piston 5 can slide along axis 4 in Master cylinder body 3, axis 4 is connected and can mutually drags with reversing piston 13, between subsidiary cylinder 17 and auxiliary piston 18, by little intermittent oiling film, seal, in reversing piston 13, be provided with balance pipe 8, when reversing piston 13 moves left and right, be used for the pressure in two chambeies, balance commutation cylinder body left and right, when reversing piston 13 walks to low order end, contact touches counter 10 countings, counter 10 is existing equipment, clashed into by contact 1 time, accumulative total addend 1, commutation circuit 1 is communicated with oil pipe 1 and oil pipe 7 23, oil pipe 1 is the imports as the crude oil of oil well, counter 10 is fixed on oil pipe 1, oil pipe 7 23 is communicated with the left chamber 26 of secondary cylinder, commutation circuit 2 14 is communicated with oil pipe 3 15 and oil pipe 21, oil pipe 3 15 is communicated with the right chamber 27 of secondary cylinder, oil pipe 21 is as crude exports, inner loop road 1 is communicated with oil pipe 6 22 and oil pipe 8 24, oil pipe 6 22 is communicated with oil pipe 21, oil pipe 8 24 is communicated with the left chamber 2 of master cylinder, inner loop road 2 19 is communicated with oil pipe 5 20 and oil pipe 4 16, oil pipe 5 20 is communicated with oil pipe 21, oil pipe 4 16 is communicated with the right chamber 6 of master cylinder.
As shown in Figure 1, when flow meter is started working, the crude oil flowing into from oil pipe 1 enters the left chamber 26 of secondary cylinder by commutation circuit 1 and the oil pipe 7 23 of reversing piston 13, simultaneously, the right chamber 27 of secondary cylinder communicates with crude exports with oil pipe 21 through commutation circuit 2 14, like this, the left chamber 26 of secondary cylinder passes into mouth, the right chamber of secondary cylinder 27 pass-out mouths, because inlet pressure is greater than outlet pressure, thereby the pressure in the left chamber 26 of secondary cylinder is greater than the right chamber 27 of secondary cylinder, the pressure of crude oil promotes auxiliary piston 18 and moves to low order end, crude oil enters into the right chamber 6 of master cylinder by inner loop road 2 19 and oil pipe 4 16, the left chamber 2 of master cylinder is by inner loop road 1 and oil pipe 6 22 pass-out mouths simultaneously, like this, the pressure of main piston 5 right-hand members is greater than left end, former oil pressure promotes main piston 5 motion left lateral, left lateral is to certain distance, due to stopping of positioning table 25 on axis 4, main piston 5 drives axis 24, thereby reversing piston 13 left lateral that drive interlock are to till high order end, contact 12 disengages with counter 10, now, due to the adjusting of reversing piston 13 change in location to runner, there is variation in the flow direction of entrance crude oil, the right chamber 27 of secondary cylinder passes into mouth through commutation circuit 2 14 and oil pipe 3 15, left chamber is through commutation circuit 1 and oil pipe 7 23 pass-out mouths, former oil pressure promotes auxiliary piston 18 left lateral to high order end, in this state, the left chamber 2 of master cylinder passes into mouth through inner loop road 1 and oil pipe 6 22, right chamber is through inner loop road 2 19 and oil pipe 4 16 pass-out mouths, former oil pressure promotes main piston 5 motion right laterals, during to positioning table 25 on axis 4, promote axis 4, reversing piston 13 together right lateral to low order end, contact 12 and counter 10 collisions, rolling counters forward 1 time, like this, the right chamber of secondary cylinder 24 pass-out mouths, left chamber passes into mouth, crude oil promotes secondary cylinder right lateral, each cylinder returns to original state, complete 1 action cycle, by above a series of do action, the accumulative total numeral of counter 10 constantly increases, by the numeral that counter 10 shows, be multiplied by the liquid measure of predefined each action output, just can obtain the oily well yield at place.This flow meter utilizes the pressure-driven operation of oil well self, do not need built-in and external power supply, reliable operation, can adapt to severe working environment, also can measure accurately the stripper well of low discharge, the range of flow of measuring is 0 to 80m3/d, and metering pressure is 0.1 to 0.25MPa, and error in dipping is in 1%.Solved existing in after the well site of productive life cannot know rapidly place well yield, the problem of making troubles to in-situ processing.
On the outer wall of described axis 4, be sheathed with two positioning tables 25, positioning table 25 is all arranged in Master cylinder body 3, and main piston 5 is arranged between two positioning tables 25, and main piston 5 can move between two positioning tables 25.Because main piston 5 is under the promotion of former oil pressure, to on axis 4, move, for main piston 5 being remained in the scope of axis, so be provided with displacement and scope that positioning table 25 limits main piston 5, make main piston 5 can not move on axis 4 and come off, keep carrying out in order of gage work.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, all fall into of the present invention comprise scope within.
Claims (3)
1. a new flowmeter used in single oil well that is exclusively used in oil field, it is characterized in that: comprise master cylinder mechanism, Fu Gang mechanism, reversing cylinder mechanism and oil pipe, described master cylinder mechanism and secondary cylinder mechanism connection, Fu Gang mechanism and reversing cylinder mechanism connection, described master cylinder mechanism comprises Master cylinder body (3), main piston (5) and axis (4), main piston (5) is arranged in Master cylinder body (3), and the inwall close contact of the outer wall of main piston (5) and Master cylinder body (3), axis (4) is arranged in reversing cylinder mechanism through one end after main piston (5), described reversing cylinder mechanism comprises commutation cylinder body (9) and reversing piston (13), reversing piston (13) is arranged in commutation cylinder body (9), and the inwall close contact of the outer wall of reversing piston (13) and commutation cylinder body (9), axis (4) is connected with reversing piston (13), in reversing piston (13), be provided with balance pipe (8), balance pipe (8) is the internal communication with commutation cylinder body (9) through reversing piston (13), described Fu Gang mechanism comprises subsidiary cylinder (17) and auxiliary piston (18), auxiliary piston (18) is arranged in subsidiary cylinder (17), and the inwall close contact of the outer wall of auxiliary piston (18) and subsidiary cylinder (17), Master cylinder body (3) is inner and subsidiary cylinder (17) is inner is communicated with by oil pipe, subsidiary cylinder (17) is inner to be communicated with by oil pipe with commutation cylinder body (9) is inner, reversing cylinder mechanism outer setting has counter (10), reversing piston (13) is connected with contact (12), contact (12) can contact with counter (10) after passing commutation cylinder body (9), the outer wall indent of reversing piston (13) forms two circle commutation circuits, commutation circuit is by oil pipe and subsidiary cylinder (17) internal communication, the outer wall indent of auxiliary piston (18) forms two circle inner loop roads, oil pipe and Master cylinder body (3) internal communication are crossed in inner loop road.
2. a kind of new flowmeter used in single oil well that is exclusively used in oil field according to claim 1, is characterized in that: described subsidiary cylinder (17) and commutation circuit connectivity part are positioned at the two ends of subsidiary cylinder (17), and auxiliary piston (18) is arranged between two junctions; Described Master cylinder body (3) and inner loop road connectivity part are positioned at the two ends of Master cylinder body (3), and main piston (5) is arranged between two junctions.
3. a kind of new flowmeter used in single oil well that is exclusively used in oil field according to claim 1, it is characterized in that: on the outer wall of described axis (4), be sheathed with two positioning tables (25), positioning table (25) is all arranged in Master cylinder body (3), main piston (5) is arranged between two positioning tables (25), and main piston (5) can move between two positioning tables (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303713.5A CN104074506A (en) | 2014-06-30 | 2014-06-30 | Special hydraulic cylinder type single well crude oil flowmeter for oil field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303713.5A CN104074506A (en) | 2014-06-30 | 2014-06-30 | Special hydraulic cylinder type single well crude oil flowmeter for oil field |
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| CN104074506A true CN104074506A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410303713.5A Pending CN104074506A (en) | 2014-06-30 | 2014-06-30 | Special hydraulic cylinder type single well crude oil flowmeter for oil field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929614A (en) * | 2015-05-07 | 2015-09-23 | 张睿怡 | Single-well crude oil meter and metering method for pumping unit |
| CN116220665A (en) * | 2023-05-10 | 2023-06-06 | 中国石油大学(华东) | Gas invasion early-stage monitoring experimental device and experimental method based on pressure wave method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1375985A (en) * | 1970-11-24 | 1974-12-04 | Schlosshauer A R | Flow-metering and controlling apparatus |
| US5524797A (en) * | 1994-11-29 | 1996-06-11 | Sealant Equipment And Engineering, Inc. | Double acting metering cylinder |
| CN2482062Y (en) * | 2001-03-12 | 2002-03-13 | 石油大学(华东)石油仪器仪表研究所 | Fluid controlled piston small flowmeter |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
| CN203925472U (en) * | 2014-06-30 | 2014-11-05 | 成都高普石油工程技术有限公司 | A kind of new flowmeter used in single oil well |
-
2014
- 2014-06-30 CN CN201410303713.5A patent/CN104074506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1375985A (en) * | 1970-11-24 | 1974-12-04 | Schlosshauer A R | Flow-metering and controlling apparatus |
| US5524797A (en) * | 1994-11-29 | 1996-06-11 | Sealant Equipment And Engineering, Inc. | Double acting metering cylinder |
| CN2482062Y (en) * | 2001-03-12 | 2002-03-13 | 石油大学(华东)石油仪器仪表研究所 | Fluid controlled piston small flowmeter |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| CN101144546A (en) * | 2007-09-18 | 2008-03-19 | 虞仕君 | Floating taper cock valve |
| CN203925472U (en) * | 2014-06-30 | 2014-11-05 | 成都高普石油工程技术有限公司 | A kind of new flowmeter used in single oil well |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929614A (en) * | 2015-05-07 | 2015-09-23 | 张睿怡 | Single-well crude oil meter and metering method for pumping unit |
| CN104929614B (en) * | 2015-05-07 | 2017-07-11 | 张睿怡 | Single-well crude oil meter and its metering method applied to oil pumper |
| CN116220665A (en) * | 2023-05-10 | 2023-06-06 | 中国石油大学(华东) | Gas invasion early-stage monitoring experimental device and experimental method based on pressure wave method |
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Application publication date: 20141001 |