CN104525533A - Scale removing process for digital pressurizing pry of oil field - Google Patents
Scale removing process for digital pressurizing pry of oil field Download PDFInfo
- Publication number
- CN104525533A CN104525533A CN201410707785.6A CN201410707785A CN104525533A CN 104525533 A CN104525533 A CN 104525533A CN 201410707785 A CN201410707785 A CN 201410707785A CN 104525533 A CN104525533 A CN 104525533A
- Authority
- CN
- China
- Prior art keywords
- digitlization
- supercharging
- pipeline
- snaking
- sled
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000126 substance Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- HMNUYYJYMOXWTN-UHFFFAOYSA-J strontium;barium(2+);disulfate Chemical compound [Sr+2].[Ba+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HMNUYYJYMOXWTN-UHFFFAOYSA-J 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 24
- 239000003921 oil Substances 0.000 description 13
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Inorganic materials [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 7
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 2
- 239000009096 changqing Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to the technical field of oilfield scale removal, and particularly relates to a digital pressurizing pry scale removal process for an oilfield, which comprises the following steps: 1) determining the pipe diameter size of an inlet and outlet pipeline, the scaling type of scaling and the scaling thickness; 2) determining the dosage of the chemical scale dissolving solution, and preparing the chemical scale dissolving solution with the mass percent of 8-10%; 3) heating the chemical scale dissolving liquid, and keeping the temperature constant at 65-75 ℃ in the scale dissolving process; 4) the chemical scale dissolving liquid is 5-7 m in the pipeline3Performing/h speed circulation, and determining the circulation time according to the scale type and the scale thickness of the pressure increasing prying pipeline; 5) after the circulation is finished, pipe cleaners with different pipe diameters are used for pushing the pipe cleaners to clean the pipes under water flow and pressure. The invention has short process time, low cost and obvious scale cleaning effect.
Description
Technical field
The invention belongs to oil field snaking technical field, be specifically related to a kind of oil field digitlization supercharging sled snaking technique.
Background technology
Oil field produced crude oil needs by heating, supercharging, separation, last outer defeated, the equipment that current oil field gathering and transportation booster station uses is many, technological process is complicated, floor space is large, can not meet the demand of digitalized production management, and Changqing oilfields integrates defeated digitlization supercharging pry filtration, heating, buffering, supercharging, outer defeated multi-functional, replace booster station, become the defeated key equipment of Changqing oilfields collection (see patent of invention: skid supercharging integration method ZL200810232291.1).
Oilfield injection water is rich in SO
4 2-, formation water is rich in Ba
2+, Ca
2+, Mg
2+deng incrustation ion, when the two is after the heating of digitlization supercharging sled equipment, due to the impact such as being incompatible of fluid, temperature, pressure, digitlization supercharging is caused to prize the fouling of internally heated oven coil pipe, what fouling was serious causes equipment to be stopped transport, oil well closing well, has a strong impact on oil field and normally produces.
Current oil field digitlization supercharging sled once fouling, adopt split cleaning or Whole Equipment depot repair, maintenance time 25-30 days, cost 20-30 ten thousand, especially barium and strontium sulfate cannot be cleaned.
Summary of the invention
The object of the invention is to overcome existing oil field digitlization supercharging sled once fouling, especially the problem that cannot clean of barium and strontium sulfate.
For this reason, the invention provides a kind of oil field digitlization supercharging sled snaking technique, comprise the following steps:
Step one, determines to clean digitlization supercharging sled heating furnace inlet/outlet pipeline caliber size, the dirty type of fouling and fouling thickness;
Step 2, determines the consumption of chemical solution dirt liquid according to space in spatial volume in fouling pipeline and pipeloop, and is the chemical solution dirt liquid of 8% ~ 10% by the dosing pond preparation mass percent of digitlization supercharging sled chemical cycle device;
Step 3, heats the chemical solution dirt liquid of step 2 preparation, and keep constant temperature 65 ~ 75 DEG C in molten dirty process in digitlization supercharging sled chemical cycle device;
Step 4, prizes heating furnace inlet/outlet pipeline by digitlization supercharging sled chemical cycle device with digitlization supercharging and is connected, and chemical solution dirt liquid in-line is with 5 ~ 7m
3/ h speed loop, according to supercharging sled pipeline dirt type and fouling thickness, determines circulation timei;
Step 5, after circulation terminates, with the wiper of different tube diameters under current and pressure, promote wiper pigging, the selection gist of wiper is by the principle successively snaking of pipe with small pipe diameter to Large Diameter Pipeline, and snaking terminates.
The dosing amount of the dirt of chemical solution described in step 2 liquid is more than 1.5 times of the sum of spatial volume in spatial volume and pipeloop in fouling pipeline.
The dirt of chemical solution described in step 3 liquid keeps constant temperature 70 DEG C in molten dirty process
The sled of supercharging described in step 4 pipeline dirt type comprises carbonate, calcium sulfate, barium strontium sulfate.
During thickness≤the 25mm of fouling described in step 4, circulation timei is 24 ~ 72 hours.
In step 4, chemical solution dirt liquid in-line is with 6m
3/ h speed loop.
The invention has the beneficial effects as follows: existing digitlization supercharging sled is once fouling is taked split-type Chemical cleaning or returned the heat(ing) coil that factory more renews, have that the production time is long, cost is high, the especially deficiency that cannot remove of barium and strontium sulfate, the invention provides that a kind of time is short, cost is low, scaling effect significant oil field digitlization supercharging sled snaking technique.
Detailed description of the invention
Embodiment 1:
In order to solve existing oil field digitlization supercharging sled once fouling, the especially problem that cannot clean of barium and strontium sulfate.The invention provides a kind of oil field digitlization supercharging sled snaking technique, comprise the following steps:
Step one, determines to clean digitlization supercharging sled heating furnace inlet/outlet pipeline caliber size, the dirty type of fouling and fouling thickness;
Step 2, determines the consumption of chemical solution dirt liquid according to space in spatial volume in fouling pipeline and pipeloop, and is the chemical solution dirt liquid of 8% ~ 10% by the dosing pond preparation mass percent of digitlization supercharging sled chemical cycle device;
Step 3, heats the chemical solution dirt liquid of step 2 preparation, and keep constant temperature 65 ~ 75 DEG C in molten dirty process in digitlization supercharging sled chemical cycle device;
Step 4, prizes heating furnace inlet/outlet pipeline by digitlization supercharging sled chemical cycle device with digitlization supercharging and is connected, and chemical solution dirt liquid in-line is with 5 ~ 7m
3/ h speed loop, according to supercharging sled pipeline dirt type and fouling thickness, determines circulation timei;
Step 5, after circulation terminates, with the wiper of different tube diameters under current and pressure, promote wiper pigging, the selection gist of wiper is by the principle successively snaking of pipe with small pipe diameter to Large Diameter Pipeline, and snaking terminates.
The dosing amount of the dirt of chemical solution described in step 2 liquid is more than 1.5 times of the sum of spatial volume in spatial volume and pipeloop in fouling pipeline.
Chemical solution dirt liquid is diethylene triamine pentacetic acid (DTPA) five sodium.
The dirt of chemical solution described in step 3 liquid keeps constant temperature 70 DEG C in molten dirty process
The sled of supercharging described in step 4 pipeline dirt type comprises carbonate, calcium sulfate, barium strontium sulfate.
During thickness≤the 25mm of fouling described in step 4, circulation timei is 24 ~ 72 hours.
In step 4, chemical solution dirt liquid in-line is with 6m
3/ h speed loop.
In the present invention, molten dirty effect has two key factors: first key factor is chemical solution dirt liquid concentration, and solution concentration is too high or too lowly cause molten dirty rate to reduce >=13.8%, even without molten dirty effect; Second key factor affecting chemical solution dirt effect is temperature, and temperature raises or reduces, and molten dirty efficiency reduces by 5 ~ 30%.
Wiper in the present embodiment is shown in that the patent No. is the online wiper of oil and gas pipes of ZL201020605177.1.
Embodiment 2:
There is fouling in ring × increasing digitlization supercharging sled operation pipeline half a year, fouling dirt type is barium and strontium sulfate, fouling thickness 4-6mm, caliber 89 × 5mm, fouling length of pipeline 40m.First in chemical cycle device dosing pond, prepare the chemical solution dirt liquid 1.5m of mass concentration 9.6%
3, molten dirty liquid is heated to 70 DEG C, and keeps 70 DEG C always.Chemical cycle device is prized heating furnace inlet/outlet pipeline with ring × digitlization supercharging be connected, chemical solution dirt liquid in-line is with 6m
3/ h speed loop, 30 hours circulation timei, circulation stops, and removes connecting line, and install the wiper of Ф 60mm, one time snaking passes through, and then change Ф 79mm wiper snaking into and pass through, observation tube inwall, fouling thickness is 0mm, and snaking terminates.The result of the present embodiment is as shown in table 1:
Embodiment 3
There is fouling in Huang × increasing digitlization supercharging sled operation pipeline half a year, fouling dirt type is calcium carbonate, barium sulfate mixes dirty, fouling thickness 10-20mm, caliber 89 × 5mm, fouling length of pipeline 40m.First in chemical cycle device dosing pond, prepare the chemical solution dirt liquid 2m of mass concentration 8.5%
3, snaking solution is heated to 70 DEG C, and keeps 70 DEG C always.By chemical cycle device with yellow × increases digitlization supercharging to prize heating furnace inlet/outlet pipeline and be connected, the dirty liquid in-line of chemical solution is with 6m
3/ h speed loop, 24 hours circulation timei, stops circulation, prepares 1.5 m again according to above-mentioned chemical solution dirt liquid preparation program
3, circulate after 24 hours and stop, removing connecting line, find that tube wall incrustation thickness is about 2mm, install Ф 79mm wiper snaking and pass through, inside pipe wall fouling thickness 0mm, snaking terminates.The result of the present embodiment is as shown in table 2:
The properties of product method of testing that the present embodiment does not describe in detail belongs to the known of the industry or common testing methods, does not describe one by one here.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (5)
1. an oil field digitlization supercharging sled snaking technique, is characterized in that, comprise the following steps:
Step one, determines to clean digitlization supercharging sled heating furnace inlet/outlet pipeline caliber size, the dirty type of fouling and fouling thickness;
Step 2, determines the consumption of chemical solution dirt liquid according to space in spatial volume in fouling pipeline and pipeloop, and is the chemical solution dirt liquid of 8% ~ 10% by the dosing pond preparation mass percent of digitlization supercharging sled chemical cycle device;
Step 3, heats the chemical solution dirt liquid of step 2 preparation, and keep constant temperature 65 ~ 75 DEG C in molten dirty process in digitlization supercharging sled chemical cycle device;
Step 4, prizes heating furnace inlet/outlet pipeline by digitlization supercharging sled chemical cycle device with digitlization supercharging and is connected, and chemical solution dirt liquid in-line is with 5 ~ 7m
3/ h speed loop, according to supercharging sled pipeline dirt type and fouling thickness, determines circulation timei;
Step 5, after circulation terminates, with the wiper of different tube diameters under current and pressure, promote wiper pigging, the selection gist of wiper is by the principle successively snaking of pipe with small pipe diameter to Large Diameter Pipeline, and snaking terminates.
2. a kind of oil field according to claim 1 digitlization supercharging sled snaking technique, is characterized in that: the dosing amount of the dirt of chemical solution described in step 2 liquid is more than 1.5 times of the sum of spatial volume in spatial volume and pipeloop in fouling pipeline.
3. a kind of oil field according to claim 1 digitlization supercharging sled snaking technique, is characterized in that: the dirt of chemical solution described in step 3 liquid keeps constant temperature 70 DEG C in molten dirty process
A kind of oil field according to claim 1 digitlization supercharging sled snaking technique, is characterized in that: the sled of supercharging described in step 4 pipeline dirt type comprises carbonate, calcium sulfate, barium strontium sulfate.
4. a kind of oil field according to claim 1 digitlization supercharging sled snaking technique, it is characterized in that: during the thickness≤25mm of fouling described in step 4, circulation timei is 24 ~ 72 hours.
5. a kind of oil field according to claim 1 digitlization supercharging sled snaking technique, is characterized in that: in step 4, chemical solution dirt liquid in-line is with 6m
3/ h speed loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707785.6A CN104525533A (en) | 2014-11-28 | 2014-11-28 | Scale removing process for digital pressurizing pry of oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707785.6A CN104525533A (en) | 2014-11-28 | 2014-11-28 | Scale removing process for digital pressurizing pry of oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104525533A true CN104525533A (en) | 2015-04-22 |
Family
ID=52841264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410707785.6A Pending CN104525533A (en) | 2014-11-28 | 2014-11-28 | Scale removing process for digital pressurizing pry of oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104525533A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170537A (en) * | 2015-07-17 | 2015-12-23 | 中国石油天然气股份有限公司 | Scale removing method and device for oil field three-phase separator |
| CN111451224A (en) * | 2020-03-11 | 2020-07-28 | 中国石油天然气股份有限公司 | Oil and gas field pipeline pipe cleaning and descaling device and method |
| CN115007572A (en) * | 2022-05-07 | 2022-09-06 | 大庆瑞雪石油科技开发有限公司 | Blockage removal and descaling process for screen pipe of sewage filter tank of combined station and oil removal and cleaning process for filter material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU419272A1 (en) * | 1972-05-24 | 1974-03-15 | В. Я. Шапошников | DEVICE FOR CLEANING THE INTERNAL SURFACE OF HUMMED PIPELINE DEPOSITS |
| JPS51120058A (en) * | 1975-04-14 | 1976-10-21 | Taisei Corp | Method of removal of scale within duct pipe |
| CN201841141U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司 | Online pipe cleaner for oil and gas pipeline |
| CN102808193A (en) * | 2012-08-30 | 2012-12-05 | 贵州开磷（集团）有限责任公司 | Cleaning method of phosphoric acid delivery pipeline |
| CN103028577A (en) * | 2012-12-10 | 2013-04-10 | 天津亿利科能源科技发展股份有限公司 | Offshore oil and gas field gathering and transmission pipe descaling and evaluation method |
| CN104001699A (en) * | 2014-05-16 | 2014-08-27 | 西安泰德石油科技开发有限责任公司 | Movable skid-mounted chemical and physical combined dirt cleaning device for oil field |
| CN104014562A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Process for cleaning whole inner wall of long pipeline for high-purity gas |
-
2014
- 2014-11-28 CN CN201410707785.6A patent/CN104525533A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU419272A1 (en) * | 1972-05-24 | 1974-03-15 | В. Я. Шапошников | DEVICE FOR CLEANING THE INTERNAL SURFACE OF HUMMED PIPELINE DEPOSITS |
| JPS51120058A (en) * | 1975-04-14 | 1976-10-21 | Taisei Corp | Method of removal of scale within duct pipe |
| CN201841141U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司 | Online pipe cleaner for oil and gas pipeline |
| CN102808193A (en) * | 2012-08-30 | 2012-12-05 | 贵州开磷（集团）有限责任公司 | Cleaning method of phosphoric acid delivery pipeline |
| CN103028577A (en) * | 2012-12-10 | 2013-04-10 | 天津亿利科能源科技发展股份有限公司 | Offshore oil and gas field gathering and transmission pipe descaling and evaluation method |
| CN104001699A (en) * | 2014-05-16 | 2014-08-27 | 西安泰德石油科技开发有限责任公司 | Movable skid-mounted chemical and physical combined dirt cleaning device for oil field |
| CN104014562A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Process for cleaning whole inner wall of long pipeline for high-purity gas |
Non-Patent Citations (1)
| Title |
|---|
| 秦国治等编: "《管道腐蚀技术》", 31 December 2009 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170537A (en) * | 2015-07-17 | 2015-12-23 | 中国石油天然气股份有限公司 | Scale removing method and device for oil field three-phase separator |
| CN105170537B (en) * | 2015-07-17 | 2018-06-01 | 中国石油天然气股份有限公司 | Scale removing method and device for oil field three-phase separator |
| CN111451224A (en) * | 2020-03-11 | 2020-07-28 | 中国石油天然气股份有限公司 | Oil and gas field pipeline pipe cleaning and descaling device and method |
| CN111451224B (en) * | 2020-03-11 | 2021-03-30 | 中国石油天然气股份有限公司 | Oil and gas field pipeline pipe cleaning and descaling device and method |
| CN115007572A (en) * | 2022-05-07 | 2022-09-06 | 大庆瑞雪石油科技开发有限公司 | Blockage removal and descaling process for screen pipe of sewage filter tank of combined station and oil removal and cleaning process for filter material |
| CN115007572B (en) * | 2022-05-07 | 2023-11-24 | 大庆瑞雪石油科技开发有限公司 | Screen pipe blocking and scale removal and filter material oil removal cleaning process for sewage filtering tank of combined station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104479662B (en) | Barium-strontium scale remover for oil field digital pressurizing pry | |
| CN104525533A (en) | Scale removing process for digital pressurizing pry of oil field | |
| CN203414012U (en) | Underground water plate heat exchanger online backwashing device | |
| CN107255024A (en) | A kind of high-content wax oil well microbial wax control method | |
| CN102519300B (en) | Method for chemically and circularly cleaning scale inside and outside pipes of evaporating tank and heater in the sugar factory | |
| CN103194758A (en) | Forming device for gas production pipeline corrosion inhibitor slug pre-film | |
| CN106391597A (en) | Online non-production-halt cleaning process for brine transportation pipeline | |
| CN202263754U (en) | Oil field pipe de-blocking device | |
| CN103101988A (en) | Method for stripping gas washing water | |
| CN204974628U (en) | Scale removal device is washd on portable refrigeration cycle water pipe way | |
| CN204767872U (en) | Yellow phosphorus burner gas dry process dust removal filtration system | |
| CN104922986A (en) | Yellow phosphorus furnace gas dry dusting filtration system | |
| CN202744634U (en) | Silicon steel pickler | |
| CN104307814A (en) | On-line clearing method of dilute acid pipe scales in phosphate ore magnesium-removing and ore-dressing production | |
| CN104475387A (en) | Jet washing device | |
| CN204381321U (en) | For the conticaster of copper bar continuous casting and tandem rolling production line | |
| CN103925700B (en) | A kind of device preventing oil field heating furnace fire tube fouling | |
| CN210543763U (en) | Wire drawing liquid environment-friendly energy-saving cooling, precipitating and filtering integrated system | |
| CN207738457U (en) | A kind of turntable type filter cross gas plate and lower sour thermal insulating apparatus for pipe | |
| CN106191885B (en) | The processing method of vanadium production equipment surface scale | |
| CN1435670A (en) | Industrial air conditioner surface cooler in-line chemical cleaning method | |
| CN205275311U (en) | Acid technology medium vacuum pump water circulating system | |
| CN203163584U (en) | Condenser easy to clean | |
| CN203954717U (en) | With the material filling type rectifying column of cleaning device | |
| CN205774663U (en) | A kind of furnace roller inner lead cleaning structure of annealing furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination |