CN210422596U - Shale gas well fracturing gas testing field rapid pressure testing system - Google Patents
Shale gas well fracturing gas testing field rapid pressure testing system Download PDFInfo
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- CN210422596U CN210422596U CN201921500900.7U CN201921500900U CN210422596U CN 210422596 U CN210422596 U CN 210422596U CN 201921500900 U CN201921500900 U CN 201921500900U CN 210422596 U CN210422596 U CN 210422596U
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Abstract
The utility model relates to a fracturing gas testing on-site rapid pressure test system, more specifically, the utility model mainly relates to a shale gas well fracturing gas testing on-site rapid pressure test system, the system comprises an electric pressure test power device, the electric pressure test device is internally provided with a high-pressure pump, a medium-pressure pump and a low-pressure pump, and is respectively provided with a hydraulic control flat valve, three hydraulic control flat valves are connected in series at one end of a pipeline, the system to be tested is firstly connected through a rapid connecting device during pressure test, the electric pressure test power device has large discharge and low-pressure pump to fill a manifold flow path with pressure test clear water from a water tank, the low-pressure pump and the first flat valve are closed, then the pressure is increased through the medium-pressure pump, the medium-pressure pump and the second hydraulic control flat valve are closed, the pressure is further increased through the high-pressure pump, the pressure relief is completed through the hydraulic control pressure relief device after the pressure test is finished, a pressure, through the operation, the beneficial effects of reducing workload, relatively few workers and the like can be achieved.
Description
Technical Field
The utility model relates to a scene quick pressure testing system of gas testing, more specifically the utility model relates to a scene quick pressure testing system of shale gas well fracturing gas testing mainly relates to.
Background
At present, industrial airflow can be obtained in each domestic large shale gas field through fracturing, pressure testing needs to be carried out on equipment such as a gas production tree and a fracturing manifold before fracturing, the aim is to apply pressure of a pressure-bearing upper limit to the inside of a pipeline flow, strength and tightness tests are carried out on the pipeline flow, the defects existing in pipeline flow connection are found in advance, measures are taken before fracturing, hidden dangers in fracturing construction are eliminated, at present, a large fracturing truck is mostly adopted for pressure testing, a sand mixer truck/liquid supply pry is needed to supply liquid to the large fracturing truck, an instrument truck collects pressure testing data, manual pressure relief is carried out after pressure testing is finished, a traditional pressure testing mode can be finished only by matching of multiple special vehicles, the number of required operating technicians is large, diesel oil consumption of the equipment is high, the workload of connecting high-pressure pipe fittings is large, and the risk of manual pressure relief is high.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to above-mentioned not enough, provide a quick pressure testing system in shale gas well fracturing gas testing scene to expect to solve among the prior art many, equipment diesel oil consumption high, the big and high technical problem such as artifical pressure release risk of connection high-pressure pipe fitting work load of required operation technical staff.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a shale gas well fracturing gas testing field rapid pressure testing system, which comprises an electric pressure testing power device, a plurality of hydraulic control flat valves are arranged above the electric pressure test power device, all the hydraulic control flat valves are connected in series at one end of the pipeline, and are respectively electrically connected with the small-sized hydraulic control station through cables, the other end of the pipeline connected with the plurality of hydraulic control flat valves is divided into two pipelines, the two pipelines can randomly switch the flow direction of a pressure test medium, one of the two sets of the fracturing truck is connected with the top of the gas production tree through an NPT buckle quick connecting device, a pipeline is installed at the bottom of the gas production tree and is connected with a gas testing process, the other set of the fracturing truck is directly connected with a plurality of sets of the fracturing truck to be tested through a union buckle quick connecting device, the last set of the fracturing truck to be tested is installed at one end of a pressure relief device through a pipeline, and the other end of the pressure relief device is provided with an outlet.
Preferably, the further technical scheme is as follows: the electric pressure test power device is internally provided with a low-pressure pump, a medium-pressure pump and a high-pressure pump, the outlets of the low-pressure pump, the medium-pressure pump and the high-pressure pump are respectively provided with a hydraulic control flat valve, and the opening or closing of the hydraulic control flat valves at the outlets of the low-pressure pump and the medium-pressure pump can be controlled by a small-sized hydraulic control station.
The further technical scheme is as follows: the bottom of electronic pressure testing power device is provided with the PLC switch board, pressure and temperature data can be collected to the PLC switch board, the PLC switch board is by remote control device direct control, the data that remote control device gathered are printed by miniature curve printer.
The further technical scheme is as follows: the NPT buckle quick coupling device comprises an NPT ultrahigh pressure quick connector, an NPT ultrahigh pressure six-layer winding pipe and an 3/4NPT male buckle, wherein the NPT ultrahigh pressure six-layer winding pipe is connected with an electric pressure test power device through a pipeline at one end of the NPT ultrahigh pressure quick connector, and the 3/4NPT male buckle is installed on a gas production tree.
The further technical scheme is as follows: the union buckle rapid connecting device comprises a union buckle ultrahigh-pressure quick connector, a union buckle ultrahigh-pressure six-layer winding pipe and a FIG2002 union buckle, the union buckle ultrahigh-pressure six-layer winding pipe is connected with an electric pressure test power device through a pipeline at one end of the union buckle ultrahigh-pressure quick connector, and the FIG2002 union buckle is installed on a fracturing truck group to be tested. The further technical scheme is as follows: the flow is equipped with a plurality of pressure testing of treating and splits the train group, and every is treated the pressure testing and splits and pass through the pipe connection between the train group, the pipeline all adopt high-pressure hose.
Compared with the prior art, one of the beneficial effects of the utility model is that: the scheme discloses a shale gas well fracturing gas testing site rapid pressure testing system which comprises an electric pressure testing power device, wherein a high-pressure pump, a medium-pressure pump and a low-pressure pump are arranged in the electric pressure testing device, a hydraulic control flat valve is respectively arranged on the low-pressure pump, the medium-pressure pump and the high-pressure pump, the hydraulic control flat valve is respectively a first hydraulic control flat valve, a second hydraulic control flat valve and a third hydraulic control flat valve, the three hydraulic control flat valves are connected in series at one end of a pipeline, the other end of the pipeline is divided into two channels, one channel is connected with the top of a gas production tree through an NPT buckle rapid connecting device, the other channel is directly connected with a plurality of fracturing truck groups to be tested through a union rapid connecting device, two channels divided by the pipeline can automatically switch the flow direction of a pressure testing medium, the system to be tested is connected through the rapid connecting device during pressure testing, the electric pressure testing power device is filled with a large-displacement low-pressure pump to collect clean water from a, closing the low-pressure pump and the first hydraulic control flat valve; then starting boosting through the medium pressure pump, and closing the medium pressure pump and the second hydraulic control flat valve; and finally, the pressure is further increased through the high-pressure pump, the pressure is released through the hydraulic control pressure release device after the pressure test is finished, a pressure test curve can be read and printed on site through the remote control device, and the beneficial effects of reducing the workload, relatively few workers and the like can be achieved through the operation.
Drawings
Fig. 1 is a schematic structural diagram for explaining an embodiment of the present invention;
FIG. 2 is a schematic structural view of an electric pressure test power device;
FIG. 3 is a schematic structural view of a NPT buckle quick coupling device;
fig. 4 is a schematic structural view of a FIG2002 union buckle quick coupling device.
In the figure, 1 is an electric pressure test power device, 101 is a low-pressure pump, 102 is a medium-pressure pump, 103 is a high-pressure pump, 2 is a hydraulic control flat valve, 3 is a remote control device, 4 is a miniature curve printer, 5 is a small-sized hydraulic control station, 6 is an NPT buckle rapid coupling device, 601 is an 3/4NPT male buckle, 602 is an NPT ultrahigh pressure six-layer winding pipe, 603 is an NPT ultrahigh pressure rapid joint, 7 is an union buckle rapid coupling device, 701 is an FIG2002 union buckle rapid coupling device, 702 is an union buckle ultrahigh pressure six-layer winding pipe, 703 is an union buckle ultrahigh pressure rapid joint, 8 is a pressure test cracking vehicle group, 9 is an outlet, and 10 is a pressure relief device.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the shale gas well fracturing gas test site rapid pressure test system comprises an electric pressure test power device 1, wherein three hydraulic control flat valves 2, namely a first hydraulic control flat valve, a second hydraulic control flat valve and a third hydraulic control flat valve, are arranged at the upper part of the electric pressure test power device 1, the three hydraulic control flat valves 2 are respectively connected with a small hydraulic control station 5 through cables, the small hydraulic control station 5 can respectively control the opening or closing of the three hydraulic control flat valves 2, the three hydraulic control flat valves 2 are arranged at one end of a pipeline in a serial connection manner, the first flat valve, the second hydraulic control flat valve and the third hydraulic control flat valve are sequentially arranged at the tail end, the other end of the pipeline is divided into two channels, the flow direction of a pressure test medium in the pipeline can be switched freely, the pressure test medium can pass through the first channel or the second channel, and under the special condition, only one channel is unblocked, wherein the first channel is connected with the top of the gas production tree through an NPT buckle quick connecting device 6, the bottom of the gas production tree is provided with a pipeline, the pipeline is connected with a gas testing process system, the second channel is arranged on a to-be-tested train set 8 through a union buckle quick connecting device 7, the to-be-tested train set 8 is provided with a plurality of to-be-tested train sets, each to-be-tested train set 8 is in a closed environment, each to-be-tested train set 8 is in a series structure, the last to-be-tested train set 8 at the tail end is provided with a pressure relief device 10, one section of the pressure relief device 10 is communicated with the to-be-tested train set 8 through a pipeline, the other end of the pressure relief device 10 is provided with an outlet 9, a pressure testing medium is boosted for three times through an electric pressure testing power device 1 and then flows to the first channel or the second channel through the pipeline, if the first channel is opened, the pressure testing medium enters a gas testing process through the, if the second channel is opened, the pressure testing medium sequentially enters a plurality of to-be-tested cracking vehicle groups 8 which are connected in series, and finally, the pressure is quickly relieved at the tail end of the pressure relief device 10 at one time, and the pressure testing medium is discharged to the discharge and spraying pool through the outlet 9.
In this embodiment, for the purpose of pressure testing, a water tank is arranged in the electric pressure testing power device 1, and a low-pressure pump 101, an intermediate-pressure pump 102 and a high-pressure pump 103 are sequentially installed, a first hydraulic flat valve is installed at an outlet of the low-pressure pump 101, a second hydraulic flat valve is installed at an outlet of the intermediate-pressure pump 102, a third hydraulic flat valve is installed at an outlet of the high-pressure pump 103, the first hydraulic flat valve, the second hydraulic flat valve and the third hydraulic flat valve are respectively and electrically connected with the small-sized hydraulic control station 5 through cables, the small-sized hydraulic control station 5 can respectively control the opening or closing of the first hydraulic flat valve, the second hydraulic flat valve and the third flat valve, the electric pressure testing power device 1 fills a pipe flow from the water tank with a pressure testing medium through the large-displacement low-pressure pump 101 during pressure testing, closes the low-pressure pump 101 and the first hydraulic flat valve, and then starts pressure boosting through the, after the pressure of the medium-pressure pump 102 is increased, the medium-pressure pump 102 and the second hydraulic control flat valve are closed, and the pressure is further increased by using the high-pressure pump 103.
According to the utility model discloses a another embodiment, be equipped with the PLC switch board in electric pressure testing power device 1's bottom, the PLC switch board electricity is connected on remote control device 3, remote control device 3 can directly control the PLC switch board, the PLC switch board can acquire and collect pressure data and temperature data from among electric pressure testing power device 1, the PLC switch board gives remote control device 3 with the data transmission who acquires and carries out the processing, at last with data through miniature curve printer 4 directly print out on the spot, can realize quick effectual show pressure testing effect through this kind of mode.
As shown in fig. 3, the device of the above embodiment, during installation, in order to ensure the safety of the pipes at the junctions, therefore, the NPT buckle quick coupling device 6 is divided into three parts, including an NPT ultrahigh pressure quick connector 603, NPT ultrahigh pressure six-layer winding pipes 602 and 3/4NPT male buckle 601, the NPT ultrahigh pressure quick connector 603 is installed at one end of the NPT ultrahigh pressure six-layer winding pipe 602, 3/4NPT male buckle 601 is installed at the other end of the NPT ultrahigh pressure six-layer winding pipe 602, the NPT ultrahigh pressure six-layer winding pipe 602 is installed on the first channel of the pipeline through the NPT ultrahigh pressure quick connector 603, the other end of the pipeline is connected with the electric pressure test power device 1, 3/4NPT male buckle 601 is installed at the top end of the gas production tree, through the structure, after the pressure test medium is discharged from the electric pressure test power device 1, the pressure test medium can safely and effectively enter the gas production tree through the NPT buckle quick connecting device 6.
Referring to fig. 4, in the practical use of the above preferred embodiment of the present invention, in order to ensure the safety of the joint in the high pressure environment, the union buckle quick coupling device 7 is installed between the second passage and the group 8 of the fracturing truck to be tested, the union buckle quick coupling device 7 comprises a union buckle ultrahigh pressure quick coupling 703, a union buckle ultrahigh pressure six-layer winding pipe 702 and a FIG2002 union buckle 701, the union buckle ultrahigh pressure six-layer winding pipe 702 is connected with the electric pressure testing power device 1 through one end of the union buckle ultrahigh pressure quick coupling 703 by a pipeline, the FIG2002 union buckle 701 is installed on the group 8 of the fracturing truck to be tested, the pressure testing medium comes out from the electric pressure testing power device, the pressure-testing medium reaches the union buckle quick connecting device 7 through the pipeline and enters the to-be-tested fracturing truck group 8, the union buckle ultrahigh-pressure six-layer winding pipe 702 can bear the pressure of the to-be-tested medium, and the union buckle ultrahigh-pressure quick connector 703 and the FIG2002 union buckle 701 can be firmly installed on the to-be-tested fracturing truck group 8 and the pipeline.
According to the utility model discloses a another embodiment, go on in order to guarantee that can the efficient at the pressure testing in-process, be equipped with a plurality of pressure testing of treating and split set of cars 8 in entire system to each is treated the pressure testing and is split and establish ties through the pipeline between the set of cars 8, and in order to guarantee the operation of real system safety and stability, all above-mentioned pipelines all adopt high-pressure hose.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a quick pressure testing system in shale gas well fracturing gas testing scene which characterized in that: the system comprises an electric pressure test power device (1), a plurality of hydraulic control flat valves (2) are arranged above the electric pressure test power device (1), all the hydraulic control flat valves (2) are connected in series at one end of a pipeline, and are respectively and electrically connected with the small-sized hydraulic control station (5) through cables, the other end of the pipeline connected with the plurality of hydraulic control flat valves (2) is divided into two pipelines, the two pipelines can randomly switch the flow direction of a pressure test medium, one of the two ways is connected with the top of the gas production tree through an NPT buckle quick connecting device (6), the bottom of the gas production tree is provided with a pipeline which is connected with a gas testing process, the other way is directly connected with a plurality of to-be-tested fracturing truck groups (8) through a union buckle quick connecting device (7), the last to-be-tested fracturing truck group (8) is arranged at one end of a pressure relief device (10) through a pipeline, and the other end of the pressure relief device (10) is provided with an outlet (9).
2. The shale gas well fracturing gas testing field rapid pressure testing system according to claim 1, characterized in that: be equipped with low-pressure pump (101), medium-pressure pump (102) and high-pressure pump (103) in electronic pressure testing power device (1), install a hydraulic control wafer valve (2) respectively in the export of low-pressure pump (101), medium-pressure pump (102) and high-pressure pump (103), the opening or closing of hydraulic control wafer valve (2) on low-pressure pump (101) and medium-pressure pump (102) export can be controlled by small-size hydraulic control station (5).
3. The shale gas well fracturing gas testing field rapid pressure testing system according to claim 1, characterized in that: the bottom of electronic pressure testing power device (1) is provided with the PLC switch board, pressure and temperature data can be collected to the PLC switch board, the PLC switch board is by remote control device (3) direct control, the data that remote control device (3) gathered are printed by miniature curve printer (4).
4. The shale gas well fracturing gas testing field rapid pressure testing system according to claim 1, characterized in that: the NPT buckle quick coupling device (6) comprises an NPT ultrahigh pressure quick connector (603), NPT ultrahigh pressure six-layer winding pipes (602) and 3/4NPT male buckles (601), wherein the NPT ultrahigh pressure six-layer winding pipes (602) are connected with an electric pressure test power device (1) through a pipeline at one end of the NPT ultrahigh pressure quick connector (603), and the 3/4NPT male buckles (601) are installed on a gas production tree.
5. The shale gas well fracturing gas testing field rapid pressure testing system according to claim 1, characterized in that: the union buckle rapid connecting device (7) comprises a union buckle ultrahigh pressure quick connector (703), a union buckle ultrahigh pressure six-layer winding pipe (702) and a FIG2002 union buckle (701), one end of the union buckle ultrahigh pressure six-layer winding pipe (702) is connected with the electric pressure test power device (1) through the union buckle ultrahigh pressure quick connector (703) through a pipeline, and the FIG2002 union buckle (701) is installed on a vehicle group (8) to be subjected to pressure test.
6. The shale gas well fracturing gas field rapid pressure test system as claimed in claim 4 or 5, wherein: the system is provided with a plurality of vehicle groups (8) to be tested, each vehicle group (8) to be tested is connected through a pipeline, and the pipelines are all high-pressure hoses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921500900.7U CN210422596U (en) | 2019-09-10 | 2019-09-10 | Shale gas well fracturing gas testing field rapid pressure testing system |
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| CN201921500900.7U CN210422596U (en) | 2019-09-10 | 2019-09-10 | Shale gas well fracturing gas testing field rapid pressure testing system |
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| CN210422596U true CN210422596U (en) | 2020-04-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798427A (en) * | 2021-01-22 | 2021-05-14 | 东方电气集团科学技术研究院有限公司 | Automatic pressure testing system for water pressure of coiled pipe |
| CN116201540A (en) * | 2023-03-27 | 2023-06-02 | 西南石油大学 | Fracture evaluation method for shale gas reservoir hydraulic fracturing |
-
2019
- 2019-09-10 CN CN201921500900.7U patent/CN210422596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798427A (en) * | 2021-01-22 | 2021-05-14 | 东方电气集团科学技术研究院有限公司 | Automatic pressure testing system for water pressure of coiled pipe |
| CN116201540A (en) * | 2023-03-27 | 2023-06-02 | 西南石油大学 | Fracture evaluation method for shale gas reservoir hydraulic fracturing |
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