CN106345755B - Cleaning method for gathering and transportation pipe network - Google Patents
Cleaning method for gathering and transportation pipe network Download PDFInfo
- Publication number
- CN106345755B CN106345755B CN201510408842.5A CN201510408842A CN106345755B CN 106345755 B CN106345755 B CN 106345755B CN 201510408842 A CN201510408842 A CN 201510408842A CN 106345755 B CN106345755 B CN 106345755B
- Authority
- CN
- China
- Prior art keywords
- pipe section
- target pipe
- tool
- target
- water flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000011010 flushing procedure Methods 0.000 claims abstract description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000005406 washing Methods 0.000 claims abstract description 15
- 230000002262 irrigation Effects 0.000 claims abstract description 13
- 238000003973 irrigation Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 56
- 238000011084 recovery Methods 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 17
- 238000011086 high cleaning Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a cleaning method of a gathering and transportation pipe network, belonging to the field of petroleum equipment. The method comprises the following steps: a jet flow rotary flushing tool is put into a target pipe section of the gathering and transportation pipe network; cleaning oil stains on the target pipe section by the jet flow rotary flushing tool; injecting water vapor into the target pipe section to soften pipe scale in the target pipe section, wherein the temperature of the water vapor is more than 100 ℃; running a porous irrigation tool into the target tubular segment; and removing the pipe scale in the target pipe section through the porous washing tool. According to the invention, the oil stain of the target pipe section is cleaned by the jet flow rotary flushing tool, then the water vapor is injected into the target pipe section to soften the pipe scale in the target pipe section, and finally the pipe scale in the target pipe section is cleaned by the porous flushing tool, so that the problem of higher cleaning cost of the gathering and transportation pipe network in the prior art is solved; the effect of cleaning the gathering and transportation pipe network with lower cost and shorter time is achieved.
Description
Technical Field
The invention relates to the field of petroleum equipment, in particular to a cleaning method of a gathering and transportation pipe network.
Background
The gathering and transportation pipe network is a large-area pipeline structure formed by metal or nonmetal pipelines with different pipe diameters and different wall thicknesses. The oil-gas gathering and transferring device can be connected with all oil-gas wells in an oil-gas field area, provides channels leading to various facilities for oil gas produced by the oil-gas wells, and is indispensable equipment in an oil-gas gathering and transferring system. After long-time use, pipe scale can be generated in the gathering and transportation pipe network, and the normal use of the gathering and transportation pipe network can be influenced by the pipe scale.
In the related art, a method for cleaning a gathering and transportation pipe network is provided, which includes sampling pipe scale in the gathering and transportation pipe network to obtain pipe scale samples, and injecting corresponding chemical solvents into the gathering and transportation pipe network to dissolve the pipe scale according to different pipe scale samples, so as to achieve the effect of cleaning the gathering and transportation pipe network.
In the process of implementing the invention, the inventor finds that the above mode has at least the following defects: according to the mode, a large amount of chemical solvent is input into the gathering and transportation pipe network to dissolve pipe scales, and the cost of the chemical solvent is high, so that the cleaning cost of the gathering and transportation pipe network is high.
Disclosure of Invention
In order to solve the problem that the cleaning cost of a gathering and transportation pipe network in the related technology is high, the embodiment of the invention provides a cleaning method of the gathering and transportation pipe network. The technical scheme is as follows:
according to a first aspect of the embodiments of the present invention, there is provided a method for cleaning a gathering and transportation pipe network, the method including:
a jet flow rotary flushing tool is put into a target pipe section of the gathering and transportation pipe network;
cleaning oil stains on the target pipe section by the jet flow rotary flushing tool;
injecting water vapor into the target pipe section to soften pipe scale in the target pipe section, wherein the temperature of the water vapor is more than 100 ℃;
running a porous irrigation tool into the target tubular segment;
and removing the pipe scale in the target pipe section through the porous washing tool.
Optionally, the jet rotary flushing tool is connected with a pressure water flow device through a coiled tubing,
the cleaning of the targeted pipe section for oil contamination by the jet rotary wash tool comprises:
advancing the jet rotary wash tool at a first preset speed from one end of the target pipe section to the other end of the target pipe section;
injecting a flow of flushing water through the pressurized water flow device into the jet rotary flushing tool such that the flow of flushing water passes through the jet rotary flushing tool into the target pipe section;
and when the jet flow rotary flushing tool reaches the other end of the target pipe section, withdrawing the jet flow rotary flushing tool at a second preset speed.
Optionally, the first preset speed is 3 meters per minute;
the second preset speed is 5 meters per minute;
the pressure of the flushing water flow is 25 MPa, the discharge capacity is 0.25 cubic meter per minute, and the temperature is 70-80 ℃.
Optionally, the pressurized water flow device comprises: a fracturing truck and a water tank truck,
the fracturing truck is a 1400 type fracturing truck.
Optionally, the target pipe section is provided with an air inlet, the air inlet is connected with a steam supply device,
the injecting water vapor into the target pipe section to soften pipe scale in the target pipe section includes:
injecting water vapor into the gas inlet through the steam providing device, wherein the water vapor is used for softening pipe scale in the target pipe section.
Optionally, the porous flushing means is connected to the pressurized water flow device,
the removing of the scale in the target pipe section by the porous washing tool comprises:
advancing the multi-hole irrigation tool from one end of the target pipe segment to the other end of the target pipe segment at the first preset speed;
injecting a descaling water flow into the porous washing tool through the pressure water flow device, so that the descaling water flow enters the target pipe section through the porous washing tool;
and when the porous flushing tool reaches the other end of the target pipe section, withdrawing the porous flushing tool at the second preset speed.
Optionally, the descaling water flow has a pressure of 45MPa, a discharge capacity of 0.35 cubic meter per minute, and a temperature of 70 to 80 ℃.
Optionally, the target pipe section is provided with a liquid outlet, the liquid outlet is connected with a circulation tank, the circulation tank is connected with a flow-back liquid recovery device, and the method further includes:
receiving the return liquid flowing out of the liquid outlet through the circulating tank, wherein the return liquid is generated after the flushing water flow or the descaling water flow enters the target pipe section, and the circulating tank is used for filtering impurities in the return liquid;
and pumping the flowback liquid in the circulating pool through the flowback liquid recovery equipment.
Optionally, the flow-back liquid recovery apparatus includes: a cement truck and an empty tank truck,
the cement truck is a 700-type cement truck.
Optionally, the jet flow rotary flushing tool is provided with 5 jet holes with the aperture of 2.4 mm;
the porous washing tool is provided with 10 jet holes with the aperture of 2 millimeters.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the oil stain of the target pipe section is cleaned by the jet flow rotary flushing tool, then the water vapor is injected into the target pipe section to soften the pipe scale in the target pipe section, and finally the pipe scale in the target pipe section is cleaned by the porous flushing tool, so that the problem of high cleaning cost of the gathering and transportation pipe network in the prior art is solved; the effect of cleaning the gathering and transportation pipe network at lower cost is achieved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic illustration of an implementation environment to which various embodiments of the present invention relate;
fig. 2 is a flowchart of a method for cleaning a gathering pipe network according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for cleaning a gathering pipe network according to an embodiment of the present invention.
With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
FIG. 1 is a schematic diagram of an implementation environment to which various embodiments of the invention relate that may include: the system comprises a target pipe section G, a jet flow rotary flushing tool or a porous flushing tool 11, a continuous oil pipe y, a liquid inlet 12, a liquid outlet 13, a continuous oil pipe main vehicle 14, a fracturing truck 15, a water tank truck 16, a circulating tank 17, a return flow recovery device 18 and a gas inlet 19.
The fracturing truck 15 is connected with the coiled tubing main truck 14, the coiled tubing main truck 14 can guide the water flow provided by the water tank truck 16 to the coiled tubing main truck 14, the coiled tubing main truck 14 is connected with the jet flow rotary flushing tool or the porous flushing tool 11 through the coiled tubing y, the water flow provided by the fracturing truck 15 can be guided to the jet flow rotary flushing tool or the porous flushing tool 11, and the coiled tubing y penetrates through the liquid inlet 12; the circulation tank 17 is connected with the target pipe section G through the liquid outlet 13, the circulation tank 17 is connected with the empty tank truck 18, and the drain-back liquid recovery device 18 can pump out water in the circulation tank 17.
Fig. 2 is a flowchart of a method for cleaning a gathering pipe network according to an embodiment of the present invention. The method for cleaning the gathering and transportation pipe network can be applied to the implementation environment shown in fig. 1, and the method for cleaning the gathering and transportation pipe network can comprise the following steps:
And 202, cleaning oil stains on the target pipe section by using a jet flow rotary flushing tool.
And step 203, injecting water vapor into the target pipe section to soften pipe scale in the target pipe section, wherein the temperature of the water vapor is higher than 100 ℃.
And step 205, removing the pipe scale in the target pipe section through the porous washing tool.
In summary, in the cleaning method for the gathering and transportation pipe network provided by the embodiment of the present invention, the oil stain of the target pipe section is cleaned by the jet flow rotary flushing tool, then the water vapor is injected into the target pipe section to soften the pipe scale in the target pipe section, and finally the pipe scale in the target pipe section is cleaned by the porous flushing tool, so that the problem of high cleaning cost of the gathering and transportation pipe network in the prior art is solved; the effect of cleaning the gathering and transportation pipe network at lower cost is achieved.
Fig. 3 is a flowchart of another method for cleaning a gathering pipe network according to an embodiment of the present invention. The method for cleaning the gathering and transportation pipe network can be applied to the implementation environment shown in fig. 1, and the method for cleaning the gathering and transportation pipe network can comprise the following steps:
and 301, descending the jet flow rotary flushing tool into a target pipe section of the gathering and transportation pipe network.
When the cleaning method of the gathering and transportation pipe network provided by the embodiment of the invention is utilized, one section of the gathering and transportation pipe network can be selected as a target pipe section at first, and the target pipe section is closed. And then the jet flow rotary flushing tool is descended into the target pipe section from the liquid inlet.
The jet flow rotary flushing tool is connected with the pressure water flow equipment through a continuous oil pipe, specifically, the jet flow rotary flushing tool can be connected with the continuous oil pipe extending out of the continuous oil pipe injection head, and the continuous oil pipe injection head is equipment matched with a main vehicle of the continuous oil pipe. And the liquid inlet can be provided with a transition bent pipe, and the jet flow rotary flushing tool can enter the target pipe section through the transition bent pipe.
Alternatively, the jet rotary flushing tool is provided with 5 injection holes having a hole diameter of 2.4 millimeters (mm), and the pressure water flow device may include: the fracturing truck can be a 1400 type fracturing truck, and the 1400 type fracturing truck can be connected with the coiled tubing main truck through a hard pipeline. In addition, 40 cubic meters of hot water may be prepared in advance by a water tanker.
It should be noted that before the jet rotary flushing tool is lowered into the target pipe section, it can be tested whether the jet rotary flushing tool is working.
After running the jet rotary wash tool into the target pipe section, the jet rotary wash tool may be advanced from one end of the target pipe section to the other end of the target pipe section at a first preset speed, optionally, the first preset speed is 3 meters per minute (m/min), and the thrust pushing the jet rotary wash tool forward in the target pipe section may be 90000 newtons (N).
And step 303, injecting flushing water flow into the jet flow rotary flushing tool through the pressure water flow device, so that the flushing water flow enters the target pipe section through the jet flow rotary flushing tool.
Wherein the pressure of the flushing water flow is 25 megapascals (MPa), and the discharge capacity is 0.25 cubic meter per minute (m)3Min) at a temperature of from 70 to 80 ℃. When the jet flow rotating flushing tool is injected with flushing water flow, the jet flow rotating flushing tool can rotate along with the jet flow rotating flushing tool, and the jet speed of the flushing water flow when the flushing water flow is jetted from the jet flow rotating flushing tool can reach 100m/s to 150 m/s.
After high-pressure water flow is injected into the target pipe section through the jet flow rotary flushing tool, the return liquid flowing out of the liquid outlet can be received through the circulating pool, the return liquid is generated after the flushing water flow enters the target pipe section, and the circulating pool is used for filtering impurities in the return liquid; and then the flow-back liquid in the circulating tank is pumped out through flow-back liquid recovery equipment.
The capacity of the circulating tank can be 8 cubic meters, the vibrating screen is arranged in the circulating tank, and when the jet flow rotary flushing tool starts to inject high-pressure water flow into the target pipe section, the vibrating screen can be started to filter impurities (such as oil stains) in the flowback liquid. Specifically, the inside steel sheet that can divide into three compartments with the circulating tank, the steel sheet height one-level slightly hangs down 100mm than one-level, has the shale shaker on the highest compartment, and the flowback liquid gets into the circulating tank after, can subside step by step at three compartments, finally filters the impurity in the flowback liquid.
Optionally, the flow-back liquid recovery apparatus includes: type 700 cement trucks and empty trucks. The 700-type cement truck can be connected with a circulating pool through a hose, and filtered return liquid (mainly water) in the circulating pool is guided into an empty truck.
In addition, the joint of the target pipe section and the circulating tank can be further provided with a pressure relief gate valve, and the pressure relief gate valve can be used for reducing high pressure in the target pipe section.
It should be noted that the steps 303 and 302 may be performed simultaneously, that is, the jet rotary flushing tool injects the flushing water flow into the jet rotary flushing tool while advancing toward the other end of the target pipe section.
And 304, when the jet flow rotary flushing tool reaches the other end of the target pipe section, withdrawing the jet flow rotary flushing tool at a second preset speed.
When the jet rotary flush tool is retracted at the second preset speed, the retraction pull force may be 180000N.
Optionally, the second preset speed is 5 m/min. Furthermore, various parameters of the flushing water stream injected into the jet rotary flushing tool are not changed when the jet rotary flushing tool is retracted. After the jet rotary flushing tool has been retracted, all equipment can be temporarily stopped and the jet rotary flushing tool can be removed from the target pipe section.
After the step is finished, the oil stain in the target pipe section can be cleaned, and the target pipe section is dredged.
The main components of the pipe scale are carbonate, sulfate, iron, silicon, organic matters and the like, the pipe scale is formed in a manner of extending from the inner surface of the pipeline (such as a target pipe section) to the center of the pipeline until the pipeline is blocked, and the relative hardness of the pipe scale is also from high to low from the inner surface of the pipeline to the center of the pipeline. After the pipe scale is formed, the inner diameter of the whole pipeline is possibly inconsistent, so that the jet flow rotary flushing tool can be used for reaming and dredging a target pipe section, and the rotating characteristic of the jet flow rotary flushing tool can ensure that the inner diameters of all positions of the target pipe section are basically consistent, so that the coiled tubing and the porous jet flow flushing tool can smoothly enter the target pipe section and extend forwards.
After the oil stain in the target pipe section is cleaned and the target pipe section is dredged, high-temperature water vapor can be injected into the target pipe section, preferably, the temperature of the high-temperature water vapor can be 140-150 ℃, and when the high-temperature water vapor is injected into the target pipe section, a liquid inlet can be blocked by a plug to prevent the water vapor from flowing into the liquid inlet. Preferably, the injection time of the high-temperature steam may be 30 minutes.
The water condensed by cooling the high-temperature steam in the target pipe section can also enter the circulating pool from the liquid outlet.
After softening the scale in the target pipe section by water vapor, the plug can be removed and the jet rotary flushing tool is replaced by a porous flushing tool and lowered into the target pipe section.
Optionally, the porous flushing tool is connected to a pressure water flow device, and the porous flushing tool is provided with 10 injection holes with a hole diameter of 2 mm.
It should be noted that the multi-hole irrigation tool can be tested for proper operation before the jet rotary irrigation tool is lowered into the target pipe section.
After the porous flushing tool is lowered into the target pipe section, the porous flushing tool is made to advance from one end of the target pipe section to the other end of the target pipe section at a first preset speed. Wherein the first preset speed is 3m/min, and the thrust for pushing the porous flushing tool to advance in the target pipe section can be 90000N.
And 308, injecting descaling water flow into the porous washing tool through the pressure water flow equipment, so that the descaling water flow enters the target pipe section through the porous washing tool.
Optionally, the pressure of the descaling water flow is 45MPa, and the discharge capacity is 0.35m3Min, temperature 70-80 deg.C.
In addition, when the porous flushing tool is used, the return liquid generated after the descaling water flow enters the target pipe section can enter the circulating pool through the liquid outlet, and the return liquid is filtered by the circulating pool.
At step 309, the multi-hole irrigation tool is retracted at a second preset speed when it reaches the other end of the target pipe section.
When the multi-well irrigation tool is retracted at the second preset speed, the pulling force of the retraction may be 180000N.
Optionally, the second preset speed is 5 m/min. Furthermore, various parameters of the descaling water flow injected into the porous rinsing tool are not changed when the porous rinsing tool is withdrawn. After the multi-well irrigation tool is recovered, all equipment may be temporarily stopped and the multi-well irrigation tool removed from the target pipe section.
The scale in the target pipe section can be removed when the step is finished, then the scale removing effect can be detected, and the liquid inlet can be opened to detect.
It should be added that the cleaning method of the gathering and transportation pipe network provided by the embodiment of the invention cleans the target pipe section through water flow in the whole process, and achieves the effects of no pollution and high safety.
It should be added that, in the cleaning method for the gathering and transportation pipe network provided by the embodiment of the invention, the return liquid is filtered by the circulation tank, and the filtered return liquid is filled into the empty tank car for recycling, so that the effects of cost reduction, economy and environmental protection are achieved.
In summary, in the cleaning method for the gathering and transportation pipe network provided by the embodiment of the present invention, the oil stain of the target pipe section is cleaned by the jet flow rotary flushing tool, then the water vapor is injected into the target pipe section to soften the pipe scale in the target pipe section, and finally the pipe scale in the target pipe section is cleaned by the porous flushing tool, so that the problem of high cleaning cost of the gathering and transportation pipe network in the prior art is solved; the effect of cleaning the gathering and transportation pipe network with lower cost and shorter time is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A cleaning method for a gathering and transportation pipe network is characterized by comprising the following steps:
the target pipe section is provided with a liquid inlet and a liquid outlet, the liquid outlet is connected with a circulating pool, and the circulating pool is connected with a flow-back liquid recovery device;
a jet flow rotary flushing tool is put into a target pipe section of the gathering and transportation pipe network;
cleaning oil stains on the target pipe section by the jet flow rotary flushing tool;
injecting steam into the target pipe section to soften pipe scale in the target pipe section, wherein the temperature of the steam is 140-150 ℃, the injection time of the steam is 30 minutes, and return liquid formed by cooling and condensing the steam in the target pipe section enters the circulating pool from the liquid outlet;
running a porous irrigation tool into the target tubular segment;
removing scale from the target pipe section by the porous rinsing tool;
the cleaning method of the gathering and transportation pipe network further comprises the following steps: receiving the flowback liquid flowing out of the liquid outlet through the circulating tank, wherein the flowback liquid is generated after flushing water flow or descaling water flow enters the target pipe section, the inside of the circulating tank is divided into three compartments by steel plates, the height of each steel plate is 100mm lower than that of each steel plate, a vibrating screen is arranged on the highest compartment, and after the flowback liquid enters the circulating tank, the flowback liquid is gradually settled in the three compartments to filter impurities in the flowback liquid; pumping the flowback liquid with impurities filtered out by the flowback liquid recovery equipment;
the jet flow rotary flushing tool is connected with pressure water flow equipment through a continuous oil pipe,
the cleaning of the targeted pipe section for oil contamination by the jet rotary wash tool comprises:
closing the target pipe section, enabling the jet flow rotary flushing tool to descend into the target pipe section from a liquid inlet, and advancing from one end of the target pipe section to the other end of the target pipe section at a first preset speed;
injecting a flushing water flow into the jet flow rotary flushing tool through the pressure water flow equipment, so that the flushing water flow enters the target pipe section through the jet flow rotary flushing tool, wherein the pressure of the flushing water flow is 25 MPa, the discharge capacity is 0.25 cubic meter per minute, the temperature is 70-80 ℃, and the jet speed of the flushing water flow when the flushing water flow is ejected from the jet flow rotary flushing tool is 100-150 m/s;
when the jet flow rotary flushing tool reaches the other end of the target pipe section, the jet flow rotary flushing tool is withdrawn at a second preset speed, and return liquid generated after flushing water flow enters the target pipe section flows into the circulating pool from the liquid outlet;
the porous flushing tool is connected with the pressure water flow device,
the removing of the scale in the target pipe section by the porous washing tool comprises:
advancing the multi-hole irrigation tool from one end of the target pipe segment to the other end of the target pipe segment at the first preset speed;
injecting descaling water flow into the porous washing tool through the pressure water flow equipment, so that the descaling water flow enters the target pipe section through the porous washing tool, wherein the pressure of the descaling water flow is 45MPa, and the discharge capacity of the descaling water flow is 0.35m3Min, the temperature is 70 to 80 ℃;
and when the porous washing tool reaches the other end of the target pipe section, the porous washing tool is withdrawn at the second preset speed, and the return liquid generated after the descaling water flow enters the target pipe section enters the circulating pool through the liquid outlet.
2. The method of claim 1,
the first preset speed is 3 meters per minute;
the second predetermined speed is 5 meters per minute.
3. The method of claim 1, wherein the pressurized water flow apparatus comprises: a fracturing truck and a water tank truck,
the fracturing truck is a 1400 type fracturing truck.
4. The method of claim 1, wherein the target pipe segment is provided with an air inlet, the air inlet being connected to a steam providing device,
the injecting water vapor into the target pipe section to soften pipe scale in the target pipe section includes:
injecting water vapor into the gas inlet through the steam providing device, wherein the water vapor is used for softening pipe scale in the target pipe section.
5. The method of claim 1, wherein the flowback fluid recovery apparatus comprises: a cement truck and an empty tank truck,
the cement truck is a 700-type cement truck.
6. The method according to any one of claims 1 to 5,
the jet flow rotary flushing tool is provided with 5 jet holes with the aperture of 2.4 mm;
the porous washing tool is provided with 10 jet holes with the aperture of 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408842.5A CN106345755B (en) | 2015-07-13 | 2015-07-13 | Cleaning method for gathering and transportation pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408842.5A CN106345755B (en) | 2015-07-13 | 2015-07-13 | Cleaning method for gathering and transportation pipe network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106345755A CN106345755A (en) | 2017-01-25 |
| CN106345755B true CN106345755B (en) | 2020-02-14 |
Family
ID=57842084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510408842.5A Active CN106345755B (en) | 2015-07-13 | 2015-07-13 | Cleaning method for gathering and transportation pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106345755B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821827B (en) * | 2019-04-02 | 2020-10-16 | 肇庆金马领科智能科技有限公司 | Method for cleaning ceramic high-pressure grouting mold |
| CN112371660A (en) * | 2020-10-21 | 2021-02-19 | 镇江刘恒记食品有限公司 | Pipeline cleaning method for edible vinegar production |
| CN112620259B (en) * | 2020-10-21 | 2022-04-12 | 潍坊嘉腾液压技术有限公司 | Pipeline cleaning device and cleaning method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4035256B2 (en) * | 1999-03-30 | 2008-01-16 | 株式会社東芝 | Internal cleaning equipment for plant piping for power generation |
| CN200998723Y (en) * | 2007-01-13 | 2008-01-02 | 管序荣 | Oil pipe cleaning device |
| CN201008862Y (en) * | 2007-03-20 | 2008-01-23 | 吐哈石油勘探开发指挥部机械厂 | Derusting, contaminant removing, cleaning apparatus for internal wall of oil pipe with high pressure water shoot |
| CN201083113Y (en) * | 2007-09-26 | 2008-07-09 | 大庆油田有限责任公司 | Oil pipe and oil pumping rod automatic washing device |
| CN201386522Y (en) * | 2009-04-20 | 2010-01-20 | 大庆玖兴技术服务有限公司 | Self-advancing high-pressure cavitating jet washing device |
| CN202105741U (en) * | 2011-05-13 | 2012-01-11 | 中国石油天然气股份有限公司 | Spray head for cleaning oil pipe and pump barrel |
| CN203061514U (en) * | 2013-02-13 | 2013-07-17 | 董宝玉 | Special hot steam oil pipe thorn-washing device for well site |
| CN104338717B (en) * | 2013-08-06 | 2016-08-10 | 中国石油化工集团公司 | A kind of pipeline rotating jet spray flushing device |
| CN203461901U (en) * | 2013-09-29 | 2014-03-05 | 江苏食品药品职业技术学院 | Recycling system for cleaning water of koji making mould box for making wine |
| CN103806868A (en) * | 2014-02-17 | 2014-05-21 | 中国石油天然气股份有限公司 | Quick-pricking and cleaning wax cleaner for oil pipe |
| CN203816351U (en) * | 2014-04-18 | 2014-09-10 | 昆山市鸿运通多层电路板有限公司 | Automatic solution filtering and precipitating device |
| CN104043620B (en) * | 2014-06-20 | 2015-12-16 | 山东电力建设第一工程公司 | Oil-line steaming device |
-
2015
- 2015-07-13 CN CN201510408842.5A patent/CN106345755B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106345755A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107152264B (en) | Coiled tubing string device and brine-discharging capacity-expanding method thereof in salt cavern underground gas storage | |
| CN106925577B (en) | Method for cleaning residues of waste oil and gas pipelines | |
| CN106345755B (en) | Cleaning method for gathering and transportation pipe network | |
| CN102777138A (en) | Method combining coiled tubing with supercritical CO2 for jet-flow sand washing plugging removal | |
| CN106623275A (en) | Fouling cleaning device and method for supercritical carbon dioxide pulse jet flow oil pipe | |
| CN2920453Y (en) | Cleaning device for inside oil pipe | |
| CN203081417U (en) | Multifunctional integrated gas lift process pipe column | |
| CN104141463A (en) | Device and method for negative-pressure sand draining of horizontal well by utilizing concentric double-layer coiled tubing to drag injection pump | |
| CN110821425A (en) | Coal-bed gas well wall cleaning equipment and circulating well cleaning method | |
| CN105583202A (en) | Unblocking method for blocked pipe cleaner of subsea mixture transportation pipeline with high wax content | |
| CN204113252U (en) | Two-dimensional microscopic visual displacement simulation experiment system for thickened oil | |
| GB2258670A (en) | Improving ground | |
| CN109488253B (en) | Pollution-free high-temperature nitrogen cleaning operation method and device for pumping well | |
| IT201800001388A1 (en) | METHOD OF REMOVAL OF DEPOSITS ACCUMULATED IN THE TRANSPORT PIPES OF NATURAL GAS | |
| CN211598608U (en) | Oil well cleaning system | |
| CN202659221U (en) | Horizontal well fracturing string | |
| CN115749690A (en) | Halogen discharging pipe column and halogen discharging method for operation of coiled tubing of gas storage under no pressure | |
| RU2531957C1 (en) | Device for cleaning wells of tar-resin-paraffin sediments | |
| CN114941510A (en) | Circulation unblocking sand fishing process system | |
| KR101606914B1 (en) | Washing apparatus of crude oil tank | |
| CN114370255A (en) | Corrosion inhibitor injection method | |
| CN105804696A (en) | Sewage re-injection main line alternate type scale removal technological method | |
| CN204984277U (en) | Device is maintained to ocean oil gas platform drill bit | |
| CN205701766U (en) | Underground work devil liquor recovery tank truck inner wall automatic clearing apparatus | |
| CN205225173U (en) | Workover fluid draws use system fast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |