Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A test device and packer technology, applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the problems of ineffective separation and difficult operation, and achieve the effect of high reliability and simple operation
Inactive Publication Date: 2017-12-12
CNPC SICHUAN GASOLINEEUM GEOPHYSICAL PROSPECTING ENG TECH RES INST
View PDF7 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0003] In order to overcome the problems of difficult operation and ineffective separation in the prior art, the present invention provides a casing outer packer test device, which can effectively separate, ensure normal construction, and effectively complete the field application of the casing outer packer. The simulation test is simple and reliable, which can ensure that the casing outer device after the test can achieve the purpose of use in the field application
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0021] In order to overcome the problems of difficult operation and ineffective separation in the prior art, the present invention provides a method such as figure 1 , figure 2 The casing outer packer test device shown can effectively separate, ensure the normal construction, and can effectively complete the simulation test before the field application of the casing outer packer. Outer tubes serve their purpose in field applications.
[0022] Casing outer packer test device, including the test outer tube 14, the test outer tube 14 is a hollow pipe string, and the two ends of the test outer tube 14 are respectively fixedly connected with the fastening plug I13 and the fastening plug II17 through threads form a closed cavity;
[0023] A test piece outer casing packer 15 is arranged in the inner cavity of the test outer pipe 14, and the lower end of the casing outer packer 15 is sealed and connected by a plug 16 to form a closed space;
[0024] Both the fastening plug I13 and...
Embodiment 2
[0030] Based on the first embodiment, the pressure gauge 4 in this embodiment is arranged on the pressure gauge base 3 , and the pressure gauge base 3 is connected to the connector 6 through the pressure gauge connecting rod 5 .
[0031] A pressure gauge 4, a pressure gauge seat 3, and a pressure gauge connecting rod 5 are installed on the joint 6, which is convenient for observing the pressure value.
[0032] The test connecting pipe 7 is sealed and connected with the fastening plug I13 through the sealing ring 9 . The fastening plug II 17 is sealed and connected to the test outer tube 14 through the second sealing ring 12 .
[0033] A limit retaining ring 10 is provided at the outer diameter of the test outer tube 7, and the limit retaining ring 10 is located inside the fastening plug I13.
[0034] A needle valve 2 is arranged on the joint 1 .
[0035] The test connecting pipe 7 and the outer end surface of the fastening plug I13 are fixedly connected through the positioni...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention provides a casing outer packer test device, which includes a test outer tube, the test outer tube is a hollow pipe string, and the two ends of the test outer tube are respectively connected to the fastening plug I and the fastening plug II through threads. The fixed connection forms a closed cavity; the outer casing packer of the test piece is set in the inner cavity of the test outer pipe, and the lower end of the outer casing packer is connected by a plug to form a closed space; the fastening plug II is equipped with a pressure test The pump joint connected to the pump, the inner hole of the fastening plug I is sealed and connected with a test connecting pipe, one end of the test connecting pipe is placed in the test outer pipe, and the other end is placed at the outer end of the fastening plug I; The top of the test connecting pipe at the outer end of the fastening plug I is connected to a joint through a joint, and a needle valve is installed on the joint; it can effectively separate, ensure the normal progress of the construction, and effectively complete the simulation test before the field application of the outer casing packer. The operation is simple and the reliability is strong, which can ensure that the casing outer device after the test can achieve the purpose of use in the field application.
Description
technical field [0001] The invention relates to the technical field of oil and gas well cementing and completion tools, in particular to an outer casing packer test device. Background technique [0002] The casing packer is used for cementing operations, the purpose of which is to effectively separate the production layer and facilitate subsequent production. Under the influence of pressure, the rubber sleeve of the outer casing packer expands and seals with the well wall without gaps, achieving the purpose of separation of production zones. After the separation is completed, the wellbore pressure of the separated two sections should meet the requirements of well completion pressure test. Before the casing outer packer is applied in the field, indoor expansion test must be carried out. The casing outer packer test device can effectively simulate the on-site construction conditions, and check the influence of the annular pressure on the pipe internal pressure after the expan...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 陈尚礼王莉王文斌陈鹏伟曹彦琴
Owner CNPC SICHUAN GASOLINEEUM GEOPHYSICAL PROSPECTING ENG TECH RES INST
Login to view more 
Login to view more