CN110273663A - Well head bridge-type reheating technique - Google Patents
Well head bridge-type reheating technique Download PDFInfo
- Publication number
- CN110273663A CN110273663A CN201910524390.5A CN201910524390A CN110273663A CN 110273663 A CN110273663 A CN 110273663A CN 201910524390 A CN201910524390 A CN 201910524390A CN 110273663 A CN110273663 A CN 110273663A
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- Prior art keywords
- heating device
- well
- flushing
- valve
- ball valve
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003303 reheating Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 238000011010 flushing procedure Methods 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cleaning In General (AREA)
Abstract
A kind of well head bridge-type reheating technique.Mainly solve that existing producing well hot washing process well-flushing low efficiency, well-flushing be of poor quality, waste fuel, the problems such as heating fire-tube service life is short.It is characterized by: welding a high-pressure ball valve (8) on wellhead water-blending pipeline (7), the input end of heating device (9) is connected on high-pressure ball valve (8) when well-flushing, outlet end is connected on hot wash casing (11)；Start hot wash pump, open the blow valve on the high-pressure ball valve (8) and heating device 9 of heating device (9) front end, starting heating device (9) is heated to flushing fluid, is opened sleeve valve (4) and is carried out well-flushing；After quality of heat washing to be achieved requires, heating device (9) stops heating, closes high-pressure ball valve (8) and sleeve valve (4), dismounting heating device (9), and well head returns to normal production state.The well head bridge-type reheating technique does not change original well-flushing process, improves well-flushing quality and well-flushing is high-efficient.
Description
Technical field
The present invention relates to oilfield, specifically a kind of well head bridge-type reheating technique.
Background technique
At present oil field hot washing process there are two types of: well, standing hot washing process and is made of hot car washing, water-tank lorry
Mobile hot washing process.Both hot washing process have the following deficiencies: that 1, heating and duration of well flushing are long, low efficiency.When well-flushing, one
As hot wash heating furnace to shift to an earlier date 4~6 hours and start that mention fire be that hot wash is done heating and prepared, replace liquid and hot wash 4~6 hours again, institute
A well can only be washed daily with a general terminal.2, waste of fuel is huge, and present heating furnace is usually that hot wash adds water mixing
The method of operation, if hot wash needs the flow of 1 volume, heating furnace then will carry out heat temperature raising for the flow of 3~5 volumes,
Huge fuel is expended thus.3, heating furnace can deteriorate the operating condition of heating furnace fire tube when carrying out heat temperature raising to flushing fluid
Condition can accelerate fire tube fouling, deformation and breakage, shorten the service life of heating furnace and there are huge security risks.4, by
Furnace outlet ceiling temperature limitation (outlet temperature≤85 DEG C), pipe network temperature loss and operation heating are slow and are not sufficiently stable
The influence of factor is not achieved ideal hot wash effect, influences normal production run although having made significant effort.5, vehicle moves
Dynamic formula hot washing process is limited in rainy season sometimes into not well site by road conditions and well site condition, influences clean-out service.
Summary of the invention
Above-mentioned in the prior art in order to overcome the shortcomings of, the present invention provides a kind of well head bridge-type reheating work
Skill, the well head bridge-type reheating technique do not change original well-flushing process, improve well-flushing quality, and well-flushing is high-efficient.
The technical scheme is that a kind of well head bridge-type reheating technique, first in wellhead water-blending pipeline
The input end of heating device, is then connected on high-pressure ball valve, heating device by one high-pressure ball valve of upper welding with high pressure line
Outlet end be connected on hot wash casing；When well-flushing, starting hot wash pump opens heating when well head hot wash pressure rises to pump pressure
Blow valve on the high-pressure ball valve and heating device of device front end closes blow valve after blow valve water breakthrough, starts heating device
It is heated to flushing fluid, when flushing fluid is warming up to 85 DEG C -95 DEG C, opens sleeve valve and carry out well-flushing；Quality of heat washing to be achieved is wanted
After asking, high-pressure ball valve and sleeve valve are closed in heater stop heating, and heating device blow valve is opened pressure release, to be heated
After device pressure zero, heating device is removed, well head returns to normal production state.
The invention has the following beneficial effects: due to taking above scheme, using the well head bridge-type reheating
Technique proposes fiery heating without terminal in advance, saves hot wash time 4~6 hours；Without low temperature for liquid preparation, then partial node
It saves hot wash time 1~2 hour；3, fiery heating is proposed without terminal, a large amount of combustion gas can be saved；Avoid terminal heating furnace
Hot operation extends the service life of heating furnace fire tube, saves maintenance cost, cuts down security risk；Completely instead of movable type
Hot wash avoids vehicle movable type hot wash the case where being unable to well-flushing affected by environment；Well-flushing efficiency and well-flushing quality are improved, machine is improved
Well service condition is adopted, machine-pumped oil well failure rate and the workover treatment frequency are reduced；Improve production and operation condition, improves production run quality
And production management level, production run cost is saved, the labor intensity of worker is reduced, improves the working condition of worker.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
1- production blow valve in figure, 2- production valve, 3- casing blow valve, 4- sleeve valve, 5- wellhead combination valve, 6- go out
Oil pipeline, 7- water mixing pipeline, 8- high-pressure ball valve, 9- heating device, 10- total valve, 11- hot wash casing.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, a kind of well head bridge-type reheating technique, including a heating device 9, heating device 9
For mobile heating unit, it is desirable that rated pressure reaches 20MPa, and rated power reaches 1.0MW.It is mixed first in wellhead combination valve 5
A high-pressure ball valve 8 is welded on the inflow side of water pipeline 7, and the input end of heating device 9 is then connected to height with high pressure line
On pressure ball valve 8, the outlet end of heating device 9 is connected on hot wash casing 11.
When well-flushing, the heated scrubing valve in wellhead combination valve 5 is in off state, and total valve 10 and production valve 2 are in an open state,
At this time by terminal starting hot wash pump, rising to pump pressure to well head hot wash pressure, (i.e. well head hot wash pressure gauge indicated value reaches hot wash
The rated pressure of pump) when, the blow valve on the high-pressure ball valve 8 and heating device 9 of 9 front end of heating device is opened, is seen to blow valve
After water, blow valve is closed, starting heating device 9 is heated to flushing fluid, when the thermometer on heating device 9 shows flushing fluid temperature
When being 85 DEG C -95 DEG C, sleeve valve 4 is opened, carries out well-flushing by the specified hot wash discharge capacity of hot wash pump.To wellhead flowline 12
Oil outlet temperature when reaching 70 DEG C or more, that is, reach quality of heat washing requirement, heating device 9 stops heating, closes 8 He of high-pressure ball valve
9 blow valve of heating device is opened pressure release, after 9 pressure of thermal to be added is zeroed, removes heating device 9, well head by sleeve valve 4
Return to normal production state.
Claims (1)
1. a kind of well head bridge-type reheating technique, it is characterised in that: weld one on wellhead water-blending pipeline (7) first
The input end of heating device (9) is then connected on high-pressure ball valve (8), heating device by a high-pressure ball valve (8) with high pressure line
(9) outlet end is connected on hot wash casing (11)；When well-flushing, starting hot wash pump when well head hot wash pressure rises to pump pressure, is beaten
The blow valve on the high-pressure ball valve (8) and heating device (9) of heating device (9) front end is opened, after blow valve water breakthrough, closes emptying
Valve, starting heating device (9) is heated to flushing fluid, when flushing fluid is warming up to 85 DEG C -95 DEG C, is opened sleeve valve (4) and is carried out
Well-flushing；After quality of heat washing to be achieved requires, heating device (9) stops heating, closes high-pressure ball valve (8) and sleeve valve (4), will
Heating device (9) blow valve opens pressure release, after thermal (9) pressure to be added is zeroed, removes heating device (9), well head restores just
Normal production status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524390.5A CN110273663A (en) | 2019-06-18 | 2019-06-18 | Well head bridge-type reheating technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524390.5A CN110273663A (en) | 2019-06-18 | 2019-06-18 | Well head bridge-type reheating technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273663A true CN110273663A (en) | 2019-09-24 |
Family
ID=67961001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910524390.5A Withdrawn CN110273663A (en) | 2019-06-18 | 2019-06-18 | Well head bridge-type reheating technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647898A (en) * | 2020-12-31 | 2021-04-13 | 胡克 | Oil field interstation heat supply temperature compensation method and compensation system |
| CN112664169A (en) * | 2020-12-31 | 2021-04-16 | 胡克 | Accurate water injection method and accurate water injection system for oil field low injection well |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228128Y (en) * | 1995-03-11 | 1996-05-29 | 郭占林 | High-efficiency energy-saving wellhead heating stove |
| CN2511791Y (en) * | 2001-05-29 | 2002-09-18 | 张东岩 | Device for producing thick oil by water adding to reduce viscosity |
| CN1702292A (en) * | 2005-05-27 | 2005-11-30 | 黄灏 | Method for hot cleanout and paraffin removal of oil well |
| CN101131073A (en) * | 2006-08-25 | 2008-02-27 | 上海中油企业集团有限公司 | Paraffin removal and control method for oil well |
| CN201196042Y (en) * | 2008-03-24 | 2009-02-18 | 李佳 | Prizing individual well hot-washing vehicle |
| CN101575953A (en) * | 2009-06-25 | 2009-11-11 | 李明江 | Unit equipment of pipe laying and mixing water |
| CN101699024A (en) * | 2009-06-23 | 2010-04-28 | 华北油田诚信工业有限公司 | Paraffin removal technological method by washing oil wells with hot steam |
| CN202767949U (en) * | 2012-09-03 | 2013-03-06 | 大庆九方石油仪器设备有限公司 | Wax removal through thermal wash monitoring system of oil well |
| CN104727781A (en) * | 2015-04-15 | 2015-06-24 | 刘波 | Oil pipe high-temperature high-pressure washing device |
| CN105909223A (en) * | 2016-05-03 | 2016-08-31 | 中国石油大学(华东) | Method for electric heating assisted depressurizing production of natural gas hydrate reservoir through dual horizontal shafts |
-
2019
- 2019-06-18 CN CN201910524390.5A patent/CN110273663A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228128Y (en) * | 1995-03-11 | 1996-05-29 | 郭占林 | High-efficiency energy-saving wellhead heating stove |
| CN2511791Y (en) * | 2001-05-29 | 2002-09-18 | 张东岩 | Device for producing thick oil by water adding to reduce viscosity |
| CN1702292A (en) * | 2005-05-27 | 2005-11-30 | 黄灏 | Method for hot cleanout and paraffin removal of oil well |
| CN101131073A (en) * | 2006-08-25 | 2008-02-27 | 上海中油企业集团有限公司 | Paraffin removal and control method for oil well |
| CN201196042Y (en) * | 2008-03-24 | 2009-02-18 | 李佳 | Prizing individual well hot-washing vehicle |
| CN101699024A (en) * | 2009-06-23 | 2010-04-28 | 华北油田诚信工业有限公司 | Paraffin removal technological method by washing oil wells with hot steam |
| CN101575953A (en) * | 2009-06-25 | 2009-11-11 | 李明江 | Unit equipment of pipe laying and mixing water |
| CN202767949U (en) * | 2012-09-03 | 2013-03-06 | 大庆九方石油仪器设备有限公司 | Wax removal through thermal wash monitoring system of oil well |
| CN104727781A (en) * | 2015-04-15 | 2015-06-24 | 刘波 | Oil pipe high-temperature high-pressure washing device |
| CN105909223A (en) * | 2016-05-03 | 2016-08-31 | 中国石油大学(华东) | Method for electric heating assisted depressurizing production of natural gas hydrate reservoir through dual horizontal shafts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647898A (en) * | 2020-12-31 | 2021-04-13 | 胡克 | Oil field interstation heat supply temperature compensation method and compensation system |
| CN112664169A (en) * | 2020-12-31 | 2021-04-16 | 胡克 | Accurate water injection method and accurate water injection system for oil field low injection well |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190924 |
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| WW01 | Invention patent application withdrawn after publication |