CN115839219A - Horizontal well pumping is surveyed card, is unfreezed and is used equipment - Google Patents
Horizontal well pumping is surveyed card, is unfreezed and is used equipment Download PDFInfo
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- CN115839219A CN115839219A CN202211659641.9A CN202211659641A CN115839219A CN 115839219 A CN115839219 A CN 115839219A CN 202211659641 A CN202211659641 A CN 202211659641A CN 115839219 A CN115839219 A CN 115839219A
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- pumping
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- horizontal well
- stuck
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Abstract
The invention discloses equipment for horizontal well pumping card measurement and unfreezing, which solves the problems of limited pumping pressure, poor conveying stability and the like of the existing equipment. The technical scheme includes that the system comprises a cable, one end of the cable is connected with a logging ground system through a perforating winch, the other end of the cable penetrates through a pumping connection device through a pulley to be connected with an underground logging card or a cutting tool string in a drilling tool pipe string, and a pumping ring is sleeved on the underground logging card or the cutting tool string. The invention has the advantages of simple structure, easy operation, flexible application to different pump pressures to realize stable pumping, and smooth transportation of the measuring card or cutting tool string to the position of the horizontal section meeting the card.
Description
Technical Field
The invention relates to underground equipment, in particular to equipment for horizontal well pumping stuck measurement and stuck release.
Background
After the long horizontal section drilling tool is stuck, when the long horizontal section drilling tool is difficult to release the stuck drill tool by means of a jar, a back-off and the like, the long horizontal section drilling tool needs to be released by adopting an explosion releasing/explosion cutting technology. The clamping point is difficult to determine by using the coiled tubing for conveying, and the conventional cable conveying means has high timeliness and accuracy and is limited in that well deviation cannot reach large inclination and horizontal sections.
There is the report to consider to adopt the pumping principle to carry survey card or cutting tool cluster to the horizontal segment and meet the position of card, for example 214196237U discloses a pump efficiency adjusting device for horizontal well explosion release, including center tube, packing element and terminal surface joint, the packing element cover establish on the center tube, the both ends of packing element are equipped with an end surface joint respectively on the center tube. The pump efficiency adjusting device is mainly sealed by a rubber packing, can convey a measuring and clamping/receiving tool to a horizontal section through hydraulic pumping under the condition that the pumping pressure is lower than 20MPa, but still has the problem that the tool is difficult to stably convey or cannot be conveyed in place under the condition that the well track is complex and the higher discharge capacity or the higher pumping pressure is needed.
Therefore, it is desirable to overcome the limitation of the pumping pressure of the cable pumping operation in the cable transportation, card testing/releasing process, and smoothly deliver the tool pump to the horizontal section to complete the releasing operation.
Disclosure of Invention
The invention aims to solve the technical problems and provides equipment for pumping and testing the horizontal well and releasing the horizontal well, which has a very simple structure, is easy to operate, can be flexibly suitable for different pump pressures (particularly more than 20 MPa) to realize stable pumping and smoothly conveys a test card or a cutting tool string to a position where the horizontal section meets the card.
The horizontal well pumping card measuring and releasing equipment comprises a cable, wherein one end of the cable is connected with a well logging ground system through a perforating winch, the other end of the cable penetrates through pumping connecting equipment through a pulley and is connected with an underground card measuring or cutting tool string positioned in a drilling tool pipe string, and a pumping ring is sleeved on the underground card measuring or cutting tool string.
The pump-in connecting equipment is of a hollow three-way structure, a grease injection control head assembly is arranged at an upper end interface of the pump-in connecting equipment, a lower end interface of the pump-in connecting equipment is connected with a drilling tool pipe string, and a side wall interface of the pump-in connecting equipment is connected with a slurry pipeline.
Annotate fat control head assembly and annotate fat sled through annotating the fat pipeline and be connected.
And the lower end interface is connected with a drilling tool pipe string through a variable buckle short section.
The side wall interface is connected with a slurry pipeline through a plug valve.
Has the advantages that:
the pumping connection equipment adopts a three-way structure which can be respectively connected with a drilling tool pipe string, a grease injection control head assembly and a pumping pipeline, and the grease injection control head assembly is used for replacing a traditional rubber packing sealing structure to form dynamic sealing, so that the sealing can be guaranteed and the pumping pressure of pumping operation can be borne;
utilize annotate fat control head assembly and be connected through annotating the fat pipeline with annotating the fat sled, annotate fat through the fat sled to annotate fat control head assembly to carry out different pressure control, can satisfy the pumping pressure demand of up to 75Mpa (according to the actual bearing capacity of equipment), overcome the discharge capacity and the pumping pressure restriction of cable pumping unfreezing in-process, stably carry instrument and instrument to the horizontal segment, remove the sticking of a drill accident in the short time.
The lower end interface of the pump-in connecting equipment is connected with the drilling tool pipe string through the variable-buckle short section, so that the quick and convenient connection with the drilling tool pipe string can be effectively ensured; the side wall interface is connected with a slurry pipeline through a plug valve, and the valve control effect is achieved.
The invention has the advantages of simple structure, easy operation, stable pumping under different pump pressures, and smooth conveying of the measuring card or the cutting tool string to the position of the horizontal section meeting the card.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of the pump-in connection apparatus.
The system comprises a cable 1, a perforating winch 2, a pulley 3, a grease injection control head assembly 4, a grease injection pipeline 5, a grease injection pry 6, a drilling tool pipe string 7, an underground measuring card or cutting tool string 8, a pump-in connecting device 9, an upper end interface 9.1, a lower end interface 9.2, a side wall interface 9.3, a buckle changing short section 10, a plug valve 11, a pump-in ring 12 and a slurry pipeline 13.
Detailed Description
The invention is further explained below with reference to the drawings in which:
referring to fig. 1, one end of a cable 1 is connected with a logging ground system (not shown) through a perforation winch 2, the other end of the cable passes through a pumping connection device 9 through a pulley 3 to be connected with a downhole logging card or cutting tool string 8 positioned in a drilling tool pipe string 7, and a pumping ring 12 is sleeved on the downhole logging card or cutting tool string 8.
The pumping connection equipment 9 is of a hollow three-way structure, a grease injection control head assembly 4 is arranged on an upper end connector 9.1 of the pumping connection equipment, a lower end connector 9.2 of the pumping connection equipment is connected with a drilling tool pipe string 7 through a fastening change short section 10, a side wall connector 9.3 of the pumping connection equipment is connected with a slurry pipeline 13 through a plug valve 11, and the slurry pipeline 13 is connected with a slurry pump (not shown in the figure). Annotate fat control head assembly 4 and annotate fat sled 6 through annotating fat pipeline 5 and being connected.
In the invention, the grease injection control head assembly 4 is purchased from self-bearing spring-rich petroleum machinery limited company and is connected with the matched grease injection pry 6, so that the function of realizing dynamic sealing in the process of taking up and taking down a cable is realized through the flowing of high-viscosity sealing grease.
The specific structure of the downhole measuring card or cutting tool string 8 can refer to the downhole measuring card or cutting tool string 8 commonly used in the prior art, such as a magnetic injection measuring card for measuring cards, which comprises from bottom to top: afterbody + weight bar + survey card appearance + cable head. Or a burst cutting tool string such as for unfreezing, which is not described in detail in the prior art.
When pumping operation is carried out, according to pumping pressure requirements, the grease injection control head assembly 4 is controlled by the grease injection pry 6 through the grease injection pipeline 5 to realize dynamic sealing of required pressure, after the tool string 8 for downhole card measurement or cutting enters an inclined section through a straight well section under the action of gravity, a slurry pump is started, slurry is pumped into the drilling tool pipe string 7 through the slurry pipeline 13 and the side wall interface 9.3 of the pumping connecting equipment 9, the discharge capacity is gradually increased along with the increase of well inclination, the downhole card measurement or cutting tool string 8 is stably pumped to a position where a horizontal section meets the card, and the card measurement/card release operation is completed.
Claims (5)
1. The utility model provides a horizontal well pump sending is surveyed card, is unfreezed and is used equipment, includes the cable, its characterized in that, cable one end is through the perforation winch connection logging ground system, and the other end passes pump through into connecting device and is connected with the logging in pit or cutting tool cluster that are located the drilling tool pipe string through the pulley, the cover is equipped with the pumping ring on logging in pit or the cutting tool cluster.
2. The horizontal well device for measuring and releasing the horizontal well stuck pipe according to claim 1, wherein the pumping connection device is of a hollow three-way structure, a grease injection control head assembly is arranged at an upper end interface of the pumping connection device, a drilling tool pipe string is connected at a lower end interface of the pumping connection device, and a mud pipeline is connected at a side wall interface of the pumping connection device.
3. The horizontal well pumping stuck-measuring and stuck-releasing equipment as recited in claim 2, wherein the grease injection control head assembly is connected with the grease injection skid through a grease injection pipeline.
4. The horizontal well pumping stuck-measuring and stuck-releasing equipment as recited in claim 2 or 3, wherein the lower end interface is connected with a drilling tool pipe string through a buckling short section.
5. The horizontal well pumping stuck pipe and stuck pipe release equipment according to claim 2 or 3, wherein the side wall interface is connected with a mud pipeline through a plug valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211659641.9A CN115839219A (en) | 2022-12-22 | 2022-12-22 | Horizontal well pumping is surveyed card, is unfreezed and is used equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211659641.9A CN115839219A (en) | 2022-12-22 | 2022-12-22 | Horizontal well pumping is surveyed card, is unfreezed and is used equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115839219A true CN115839219A (en) | 2023-03-24 |
Family
ID=85579083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211659641.9A Pending CN115839219A (en) | 2022-12-22 | 2022-12-22 | Horizontal well pumping is surveyed card, is unfreezed and is used equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115839219A (en) |
-
2022
- 2022-12-22 CN CN202211659641.9A patent/CN115839219A/en active Pending
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