CN213087992U - Double-pressure testing tool for opening interbedding channeling in oil-gas-water well - Google Patents
Double-pressure testing tool for opening interbedding channeling in oil-gas-water well Download PDFInfo
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- CN213087992U CN213087992U CN202021678585.XU CN202021678585U CN213087992U CN 213087992 U CN213087992 U CN 213087992U CN 202021678585 U CN202021678585 U CN 202021678585U CN 213087992 U CN213087992 U CN 213087992U
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Abstract
The utility model discloses a tool for double-pressure inspection of oil-gas well to open interbedded channeling, which comprises a pressure flowmeter, a 2-inch pipe and an elastic buffer mechanism; the pressure flowmeter is arranged inside the 2-inch pipe; the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter; the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter. When the method is used for channeling checking, corresponding underground pipe columns and ground operation are matched, and whether channeling exists between corresponding jet-opened layers can be simply and accurately judged.
Description
Technical Field
The utility model belongs to the technical field of the multilayer is penetrated open oil-water well interbedded channeling inspection technique and specifically relates to the instrument that interbedded channeling was penetrated in the inspection of oil-gas-water well two pressures.
Background
In the process of oil field development, the interlayer channeling outside the sleeve is caused by the well cementation quality, casing damage, sand production of an oil layer and the like of the oil-water well, and the normal production of the oil-water well is influenced. Therefore, finding out the channeling outside the pipe in time and taking effective measures are effective ways for solving the interlayer contradiction and ensuring the high yield and high efficiency of the oil field.
The existing testing method for testing the interlayer channeling has a plurality of testing methods, but when the channeling is tested in a well with a short interlayer distance and a large number of layers, the interlayer mutual influence interference is caused, the testing precision is not high, the tool is suitable for testing the channeling in a well with a large number of layers and a small interlayer distance, and the interlayer is not influenced after the packer is clamped.
Publication (bulletin) No.: CN109798109A, publication (public notice) day: 2019-05-24 provide a monitoring and alarming device and method for gas channeling of an oil well in an air foam flooding test, wherein the monitoring and alarming device comprises a sleeve, an oil pipe, a monitoring alarm and a gas-liquid separator, the oil pipe is located in the sleeve, the upper portion of the sleeve is connected with an inlet at the lower end of the gas-liquid separator, and an outlet at the upper portion of the gas-liquid separator is connected with the monitoring alarm. The invention reasonably selects and determines the type and the monitoring item of the monitoring gas and the gas-liquid separation and the adsorber of the gas, can realize on-line and smooth monitoring on the gas components, flow, pressure and change state of the oil well casing corresponding to the air foam, and can realize different types of alarms with different purposes according to real-time data; through different types of body type alarming, effective measures are taken in time, the injection scheme is adjusted in time, and further expansion of unsafe factors is restrained, so that unsafe accidents are reduced and avoided, pertinence of injection parameters is improved, and oil displacement effect of recovery ratio is improved.
Publication (bulletin) No.: CN108561125A, publication (public notice) day: 2018-09-21 relates to an oilfield steam channeling detection device, which comprises a detection machine, wherein a wireless signal transmitter is arranged on the detection machine, the detection machine is connected with a steam channeling detector through a lead, a solar bracket and an oil well controller are arranged on the detection machine, a solar collection plate, a solar converter and a storage battery are arranged on the solar bracket, and the detection machine is respectively connected with the oil well controller, the solar converter and the storage battery; the solar energy collecting plate is a dye-sensitized solar cell which comprises a photo-anode, a counter electrode opposite to the photo-anode and electrolyte filled between the photo-anode and the counter electrode; the photoanode comprises an FTO conductive substrate, a TiO2 composite film is arranged on the surface of the FTO conductive substrate, and a Fe metal mesh is embedded in the TiO2 composite film; and the TiO2 composite film is formed by: the TiO2 composite slurry is formed by screen printing on the surface of an FTO conductive substrate, so that the TiO2 composite film is formed.
Publication (bulletin) No.: CN100489266C, publication (public notice) day: 2009-05-20 provides a detection method of an oil field cross flow channel, which utilizes a water-containing index characteristic curve to determine the production dynamics of an oil field production well, and specifically comprises the following steps: collecting oil production and liquid production of an oil well at equal time intervals, wherein the time is from production of the well to test; calculating the water-oil ratio or the water content of the oil well according to the equal time interval; calculating a first derivative of the common logarithm of the water-oil ratio or the water content to the common logarithm of the time, namely the water-containing index; taking the water content index as a vertical coordinate and the production time as a horizontal coordinate (a logarithmic coordinate), and making a semilogarithmic relation curve to obtain a water content index characteristic curve; the method has objectivity and strong operability, and provides good technical support for water control and oil stabilization of the oil field
In a word, above technical scheme of the disclosure and the technical problem that will solve and the beneficial effect who produces all with the utility model discloses inequality, perhaps technical field or application are different, are directed against the utility model discloses more technical problem and the beneficial effect that will solve, above all there is not technological inspiration in the technical document of disclosing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the above-mentioned defect that prior art exists and provide the instrument that the interbedded blowby was penetrated in the double pressure test of oil gas well, flow pressure data in the measuring tube, whether exist the outside of tubes between the inspection two penetrating layers scurries for when checking scurring, cooperate corresponding tubular column in the pit and ground operation, can succinctly accurately judge whether exist between the corresponding penetrating layer scurries and scurries.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the instrument that the interval of the double pressure inspection of oil gas well penetrates and opens, including the pressure flowmeter, 2 inches of tubes, elastic buffer gear;
the pressure flowmeter is arranged inside the 2-inch pipe;
the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter;
the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter.
Further, the elastic buffer mechanism comprises a buffer tube, a buffer rod and an inner spring;
the lower end of the buffer tube is fixedly connected with the upper end of the pressure flowmeter;
the lower half section of the buffer rod is arranged in the buffer tube, the bottom of the buffer rod is provided with an anti-drop platform, the upper port of the buffer tube is provided with a reducing port, and the anti-drop platform and the reducing port form axial limit, namely the outer diameter of the anti-drop platform is larger than the inner diameter of the reducing port;
the inner spring is sleeved on the buffer rod, the lower end of the inner spring abuts against the anti-falling platform, and the upper end of the inner spring abuts against the lower end face of the reducing port.
Further, the elastic buffer mechanism also comprises an outer spring;
the outer spring is sleeved on the buffer rod, and the lower end of the outer spring abuts against the upper end face of the reducing port.
Furthermore, the upper end of the 2-inch pipe is fixedly connected with the joint, the upper end of the buffer rod is also fixedly connected with the joint, and the upper end of the outer spring abuts against the lower end face of the joint.
Further, a centralizer is installed on the outer wall of the pressure flowmeter.
Further, the lower end of the 2-inch pipe is connected with the upper end of the tail pipe.
Furthermore, the outer wall of the tail pipe is provided with a rubber cylinder and a gasket, wherein the gasket is divided into an upper gasket and a lower gasket which are respectively pressed on the upper end surface and the lower end surface of the rubber cylinder.
Further, a cross fork for preventing the pressure flowmeter from falling is arranged in the tail pipe.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses in the use with the packer card seal treat test scurry two jet off between the layer, this test scurry the nipple joint and be located the packer lower part, pressurize the pulse water injection 3-4 times under the sealed state of well head, test scurry the pressure flow data in the following tubular column of instrument measurement packer in the nipple joint, judge through analysis pressure flow data that two jet off scurry the logical condition on layer. The detection of the interlayer channeling condition can be carried out on a plurality of ejection layers without being influenced by the number of layers and the interlayer distance. In the implementation process, the accurate blocking position and the good setting of the packer must be ensured; the well head is sealed and does not leak, otherwise the interpretation result of the data can be influenced.
The tool is suitable for detecting channeling among layers to be detected in a well, wherein the interlayer distance is short and all the layers are opened. The channeling checking result is accurate and reliable, and a reliable basis is provided for solving the problems of channeling outside the pipe and contradiction between layers.
Drawings
Fig. 1 is the structural schematic diagram of the tool for the double-pressure inspection of the oil-gas-water well to open the interbedded channeling.
In the figure: 1-a joint; 2-a spring; 3-a buffer rod; 4-a buffer tube; 5-a pressure flow meter; 6-2 inch pipe; 7, a gasket; 8, a rubber cylinder; 9-tail pipe; 10-a spider.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution:
the instrument that the interval of the double pressure inspection of oil gas well penetrates and opens, including the pressure flowmeter 5, 2 inch pipe 6, elastic buffer gear;
the pressure flowmeter is arranged inside the 2-inch pipe;
the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter;
the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter.
Further, the elastic buffer mechanism comprises a buffer tube 4, a buffer rod 3 and an inner spring;
the lower end of the buffer tube is fixedly connected with the upper end of the pressure flowmeter;
the lower half section of the buffer rod is arranged in the buffer tube, the bottom of the buffer rod is provided with an anti-drop platform, the upper port of the buffer tube is provided with a reducing port, and the anti-drop platform and the reducing port form axial limit, namely the outer diameter of the anti-drop platform is larger than the inner diameter of the reducing port;
the inner spring is sleeved on the buffer rod, the lower end of the inner spring abuts against the anti-falling platform, and the upper end of the inner spring abuts against the lower end face of the reducing port.
Further, the elastic buffer mechanism also comprises an outer spring;
the outer spring is sleeved on the buffer rod, and the lower end of the outer spring abuts against the upper end face of the reducing port.
Furthermore, the upper end of the 2-inch pipe is fixedly connected with the joint 1, the upper end of the buffer rod is also fixedly connected with the joint, and the upper end of the outer spring abuts against the lower end face of the joint.
Further, the outer wall of the pressure flowmeter is provided with a centralizer, which is a conventional part in the field and is clear to a person skilled in the art although not shown in the figures.
Further, the lower end of the 2-inch pipe is connected with the upper end of a tail pipe 9.
Further, the outer wall of the tail pipe is provided with a rubber cylinder 8 and a gasket 7, wherein the gasket is divided into an upper gasket and a lower gasket which are respectively pressed on the upper end face and the lower end face of the rubber cylinder.
Further, the tail pipe is internally provided with a spider 10 which prevents the pressure flowmeter from falling.
The joint 1 is a closed short section and is connected with an upper packer and a lower 2-inch pipe 6, and the inner diameter of the 2-inch pipe 6 is smaller than that of a common oil pipe, so that the starting displacement of the measurement of an instrument is reduced. A pressure flowmeter 5 is arranged in the 2-inch pipe 6 and used for measuring pressure and flow data in the shaft. The pressure flowmeter 5 is connected to the lower part of a buffer tube 4, a buffer rod 3 passes through the buffer tube 4 to be connected to a joint 1, a spring 2 is wound around the outside of the buffer rod 3 and the buffer tube 4, and the buffer rod 3 and the buffer tube 4 are used for protecting the pressure flowmeter 5 and preventing the pressure flowmeter 5 from being damaged when a pipe column is taken off.
The rubber sleeve 8 belongs to a conventional packer in the field, the rubber sleeve 8 is connected between the 2-inch pipe 6 and the tail pipe 9, gaskets 7 are arranged at the upper part and the lower part for protection, and the rubber sleeve 8 is used for collecting water flow in the pipe to ensure that the water flow completely passes through the 2-inch pipe 6 and flows out of the tail pipe.
The tail pipe 9 is internally provided with a cross 10 to prevent the pressure flowmeter 5 from accidentally falling into the well in the construction process.
During the use, will this scurry-testing nipple joint connect on the scurry-testing tubular column, connect the lower part of packer, along with oil pipe goes into in the well down, buffer beam 3 and buffer tube 4 and spring work together, fix flowmeter 5 intraductal at 2 cun, the protection instrument is not damaged.
When pulse pressurization water injection is carried out at the well head, what 5 measurements of the pressure flowmeter in this scurry-testing nipple joint are the pressure flow data in the following tubular column of packer, and when the flow was zero, it was well to show the packer setting, and the pressure data about the analysis packer was gone up and down, whether scurry between the two-layer to lead to.
Example 2:
referring to fig. 1, the present invention provides a technical solution:
the instrument that the interval of the double pressure inspection of oil gas well penetrates and opens, including the pressure flowmeter 5, 2 inch pipe 6, elastic buffer gear;
the pressure flowmeter is arranged inside the 2-inch pipe;
the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter;
the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter.
Further, the elastic buffer mechanism comprises a buffer tube 4, a buffer rod 3 and an inner spring;
the lower end of the buffer tube is fixedly connected with the upper end of the pressure flowmeter;
the lower half section of the buffer rod is arranged in the buffer tube, the bottom of the buffer rod is provided with an anti-drop platform, the upper port of the buffer tube is provided with a reducing port, and the anti-drop platform and the reducing port form axial limit, namely the outer diameter of the anti-drop platform is larger than the inner diameter of the reducing port;
the inner spring is sleeved on the buffer rod, the lower end of the inner spring abuts against the anti-falling platform, and the upper end of the inner spring abuts against the lower end face of the reducing port.
Further, the elastic buffer mechanism also comprises an outer spring;
the outer spring is sleeved on the buffer rod, and the lower end of the outer spring abuts against the upper end face of the reducing port.
Furthermore, the upper end of the 2-inch pipe is fixedly connected with the joint 1, the upper end of the buffer rod is also fixedly connected with the joint, and the upper end of the outer spring abuts against the lower end face of the joint.
Example 3:
referring to fig. 1, the present invention provides a technical solution:
the instrument that the interval of the double pressure inspection of oil gas well penetrates and opens, including the pressure flowmeter 5, 2 inch pipe 6, elastic buffer gear;
the pressure flowmeter is arranged inside the 2-inch pipe;
the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter;
the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter.
Further, the elastic buffer mechanism comprises a buffer tube 4, a buffer rod 3 and an inner spring;
the lower end of the buffer tube is fixedly connected with the upper end of the pressure flowmeter;
the lower half section of the buffer rod is arranged in the buffer tube, the bottom of the buffer rod is provided with an anti-drop platform, the upper port of the buffer tube is provided with a reducing port, and the anti-drop platform and the reducing port form axial limit, namely the outer diameter of the anti-drop platform is larger than the inner diameter of the reducing port;
the inner spring is sleeved on the buffer rod, the lower end of the inner spring abuts against the anti-falling platform, and the upper end of the inner spring abuts against the lower end face of the reducing port.
Although fig. 1 is used for all the above embodiments, it is obvious to those skilled in the art that a separate drawing is not shown as long as the parts or structural features missing in the embodiments are removed from the drawing. As will be clear to the skilled person. Of course, the embodiments with more components are only the preferred embodiments, and the embodiments with fewer components are the basic embodiments, but the basic utility model objects can also be achieved, so all these are within the protection scope of the present invention.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The instrument of the interbedded channeling of double-pressure inspection jet-opening of oil gas well, wherein include the pressure flowmeter, 2 inches of tubes, elastic buffer gear;
the pressure flowmeter is arranged inside the 2-inch pipe;
the 2-inch pipe is provided with a radial hole which is communicated in the radial direction, and the position of the radial hole is above the pressure flowmeter;
the elastic buffer mechanism is also positioned in the 2-inch pipe, and the lower end of the elastic buffer mechanism is connected with the upper end of the pressure flowmeter.
2. An oil-gas-water well double-pressure inspection shooting interbedded channeling tool as claimed in claim 1, wherein the elastic buffer mechanism comprises a buffer tube, a buffer rod and an inner spring;
the lower end of the buffer tube is fixedly connected with the upper end of the pressure flowmeter;
the lower half section of the buffer rod is arranged in the buffer tube, the bottom of the buffer rod is provided with an anti-drop platform, the upper port of the buffer tube is provided with a reducing port, and the anti-drop platform and the reducing port form axial limit, namely the outer diameter of the anti-drop platform is larger than the inner diameter of the reducing port;
the inner spring is sleeved on the buffer rod, the lower end of the inner spring abuts against the anti-falling platform, and the upper end of the inner spring abuts against the lower end face of the reducing port.
3. The tool for double pressure testing of the oil, gas and water well to open the interbedded channeling according to claim 2, wherein the elastic buffer mechanism further comprises an outer spring;
the outer spring is sleeved on the buffer rod, and the lower end of the outer spring abuts against the upper end face of the reducing port.
4. The tool for double-pressure inspection of the oil-gas-water well to open the interbedded channeling according to claim 3, wherein the upper end of the 2-inch pipe is fixedly connected with the joint, the upper end of the buffer rod is fixedly connected with the joint, and the upper end of the outer spring props against the lower end face of the joint.
5. The tool for double pressure testing of the oil gas well and the water well and for jetting out the interbed channeling according to the claim 1, the claim 2, the claim 3 or the claim 4, wherein the centralizer is installed on the outer wall of the pressure flowmeter.
6. The tool for double pressure testing of the oil, gas and water well to open the interbed channeling according to claim 1, 2, 3 or 4, wherein the lower end of the 2 inch pipe is connected with the upper end of a tail pipe.
7. The tool for double-pressure inspection of the oil-gas-water well to open the interbedded channeling according to claim 6, wherein the outer wall of the tail pipe is provided with a rubber cylinder and a gasket, wherein the gasket is divided into an upper gasket and a lower gasket which are respectively pressed on the upper end surface and the lower end surface of the rubber cylinder.
8. An oil-gas-water well double-pressure inspection shooting interbedding channeling tool as claimed in claim 6, wherein a cross fork for preventing the pressure flowmeter from falling off is installed inside the tail pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678585.XU CN213087992U (en) | 2020-08-13 | 2020-08-13 | Double-pressure testing tool for opening interbedding channeling in oil-gas-water well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021678585.XU CN213087992U (en) | 2020-08-13 | 2020-08-13 | Double-pressure testing tool for opening interbedding channeling in oil-gas-water well |
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| CN213087992U true CN213087992U (en) | 2021-04-30 |
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| CN202021678585.XU Active CN213087992U (en) | 2020-08-13 | 2020-08-13 | Double-pressure testing tool for opening interbedding channeling in oil-gas-water well |
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