CN205277320U - Novel corrosion resistant alloy sucker rod polished rod - Google Patents
Novel corrosion resistant alloy sucker rod polished rod Download PDFInfo
- Publication number
- CN205277320U CN205277320U CN201520932279.7U CN201520932279U CN205277320U CN 205277320 U CN205277320 U CN 205277320U CN 201520932279 U CN201520932279 U CN 201520932279U CN 205277320 U CN205277320 U CN 205277320U
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- polished rod
- rod
- resistant alloy
- corrosion resistant
- novel corrosion
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Abstract
The utility model discloses a novel corrosion resistant alloy sucker rod polished rod belongs to the oil field has equipment, is that to be equipped with chromium -plated layer outside the polished rod as an organic whole rather than combining, chromium -plated layer's thickness is 10~200 microns, the polished rod close the steel by the chromium molybdenum to become. The utility model discloses a novel corrosion resistant alloy sucker rod polished rod, wear -resisting, corrosion -resistant, use the cycle length, the average replacement cycle of product exceedes 230 days, and long life reaches more than 300 day. This polished rod has no corrosion, and is longe -lived, wear -resisting, and characteristics that intensity is high can satisfy the operation requirement of special hole condition, and it is short to have solved corruption well polished rod life, perishable, changes frequently, and problem that the operating cost is high reduces the manufacturing cost of unit of oil well.
Description
Technical field
The utility model belongs to oil field equipment, particularly relates to a kind of novel corrosion resistant alloy sucker rod polished rod.
Background technology
At present, oil field walking-beam pumping unit is still the major mechanical oil production equipment of oil-field development, and corresponding supporting sucker rod is the essential key part that recovers the oil. But the Application and Development (the former compound of ASP tri-drives the composite oil-displacing system referring to alkali/tensio-active agent/polymkeric substance composition) along with oil extraction in oil field ternary composite driving, owing to polymer displacement oil well liquid and ternary composite driving well liquid composition are more complicated, containing macro-corrosion chemical composition, common polished rod is poor to the resistance to corrosion of ternary compound oil drive, and from changing to, the shortest time producing the corrosion phenomenon such as corrosion pit, decortication is only several days to common polished rod. Once polished rod produces corrosion, oil well leakage of oil will be caused, cause environmental pollution, increase maintenance cost, reduce the problems such as oil well output. Polished rod sucker rod increases owing to being subject to the probability of alkaline corrosion, and durable rate greatly reduces so that sucker rod consumption is big, and working efficiency, utilization ratio are low. The corresponding reduction of antiwear property in rig-site utilization, causes changing polished rod frequency in field produces higher, thus causes increasing maintenance cost, reducing a series of problems such as oil well output. Being the limitation of the load-carrying capacity due to mechanical property on the other hand, corrosion-resistant to alkalescence can't solve very well. There is the problems such as poor reliability, cost height, maintenance difficulty are big, expense height, cause oil recovery factory that the stability of polished rod sucker rod and reliability are proposed higher demand.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, it provides a kind of novel corrosion resistant alloy sucker rod polished rod, extends the work-ing life of polished rod, reduces field produces maintenance cost, it is to increase oil well output.
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating outside polished rod to be combined as a whole with it, and the thickness of described chromium coating is 10��200 microns.
As further improvement of the utility model, described polished rod is made up of chromoly.
As further improvement of the utility model, described polished rod selects the one in 20CrMo, 27CrMo, 30CrMo or 40CrMo to make.
As further improvement of the utility model, the thickness of described chromium coating is 50��180 microns.
As further improvement of the utility model, the thickness of described chromium coating is 81��180 microns.
As further improvement of the utility model, the thickness of described chromium coating is 90��150 microns.
As further improvement of the utility model, the thickness of described chromium coating is 20��39 microns.
Novel corrosion resistant alloy sucker rod polished rod of the present utility model, wear-resisting, corrosion-resistant, the application cycle is long, the product average replacement cycle, the most long life reached more than 300 day more than 230 days. This polished rod has non-corroding, and the life-span is long, wear-resisting, the feature that intensity is high, can meet the service requirements of special hole condition, solves corrosion well polished rod short for work-ing life, perishable, changes frequent, the problem that operating cost is high, reduces the production of units cost of oil well.
Accompanying drawing explanation
Fig. 1 is novel corrosion resistant alloy sucker rod polished rod structural representation of the present utility model.
Embodiment
Embodiment 1
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 10��200 microns, and described polished rod 1 is employing is be made up of chrome molybdenum.
Embodiment 2
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 120 microns, and described polished rod 1 adopts 20CrMo to make.
Embodiment 3
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 100 microns, and described polished rod 1 adopts 27CrMo to make.
Embodiment 4
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 90 microns, and described polished rod 1 adopts 30CrMo to make.
Embodiment 5
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 100 microns, and described polished rod 1 adopts 30CrMo to make.
Embodiment 6
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 30 microns, and described polished rod 1 adopts 40CrMo to make.
Embodiment 7
Novel corrosion resistant alloy sucker rod polished rod of the present utility model is provided with chromium coating 2 outside polished rod 1 to be combined as a whole with it, and the thickness of described chromium coating 2 is 20 microns, and described polished rod 1 adopts 40CrMo to make.
Claims (7)
1. novel corrosion resistant alloy sucker rod polished rod, is characterized in that being provided with chromium coating (2) outside polished rod (1) is combined as a whole with it, and the thickness of described chromium coating (2) is 30��180 microns.
2. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 1, it is characterised in that described polished rod (1) is made up of chromoly.
3. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 2, it is characterised in that polished rod (1) selects the one in 20CrMo, 27CrMo, 30CrMo or 40CrMo to make.
4. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 1, it is characterised in that the thickness of described chromium coating (2) is 50��180 microns.
5. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 1, it is characterised in that the thickness of described chromium coating (2) is 81��180 microns.
6. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 1, it is characterised in that the thickness of described chromium coating (2) is 90��150 microns.
7. novel corrosion resistant alloy sucker rod polished rod as claimed in claim 1, it is characterised in that the thickness of described chromium coating (2) is 30��39 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932279.7U CN205277320U (en) | 2015-11-23 | 2015-11-23 | Novel corrosion resistant alloy sucker rod polished rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932279.7U CN205277320U (en) | 2015-11-23 | 2015-11-23 | Novel corrosion resistant alloy sucker rod polished rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277320U true CN205277320U (en) | 2016-06-01 |
Family
ID=56061903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520932279.7U Active CN205277320U (en) | 2015-11-23 | 2015-11-23 | Novel corrosion resistant alloy sucker rod polished rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277320U (en) |
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2015
- 2015-11-23 CN CN201520932279.7U patent/CN205277320U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |