CN201159052Y - Tungsten alloy corrosion protection oil pumping lever - Google Patents
Tungsten alloy corrosion protection oil pumping lever Download PDFInfo
- Publication number
- CN201159052Y CN201159052Y CNU2007201849374U CN200720184937U CN201159052Y CN 201159052 Y CN201159052 Y CN 201159052Y CN U2007201849374 U CNU2007201849374 U CN U2007201849374U CN 200720184937 U CN200720184937 U CN 200720184937U CN 201159052 Y CN201159052 Y CN 201159052Y
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- China
- Prior art keywords
- rod
- tungsten
- bar head
- pumping polish
- oil pumping
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- Expired - Fee Related
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Abstract
A tungsten alloy antiseptic oil-pumping polish rod has a slender rod which is made of alloyed steels with higher intensity, the slender rod has a rod body, wherein both ends of the rod body are provided with rod heads, a rod head of one end of both the rod heads is a smithing continuous upsetting rod head, a connecting thread is arranged on the rod head, the roughness Ra of the surface of the rod body is 0.2-0.8 mu m, and the external surfaces of the rod body and the rod heads are compounded with a tungsten-base amorphous alloy coating which is compounded by using the 'nano film' tungsten alloy electroplating technique. The tungsten-base amorphous alloy coating which is compounded by using the 'nano film' tungsten alloy electroplating technique is coated on the surface of the oil-pumping polish rod, which enables the external surface of the oil pumping polish rod to have high hardness, strong abradability and good corrosion prevention, and the made oil-pumping polish rod has good performances of preventing corroding and abrading, and has long service life.
Description
Technical field
The utility model relates to a kind of oil pumping polish rod, particularly a kind of composite bed of oil pumping polish rod external surface.
Background technology
In the sucker rod that in oilfield, uses, one that topmost links to each other with oil pumper is oil pumping polish rod, it is the bar head that forges jumping-up that the body of rod that the alloy steel of the useful higher-strength of oil pumping polish rod is made, the two ends of the body of rod have the first end bar of bar head, in the bar head of two ends connecting thread is arranged.In order to help the sealing of oil well mouth, the surface of the body of rod of oil pumping polish rod will be done grinding and handle, the roughness Ra that makes body of rod surface is 0.2～0.8 μ m, the oil well mouth has the material filling type sealed letter, the material filling type sealed letter has the closed hole that matches with the body of rod of oil pumping polish rod, is filled with in the material filling type sealed letter and compresses packing, and the body of rod of oil pumping polish rod stretches out from closed hole, during oil pumping, the body of rod of oil pumping polish rod moves back and forth along axis in closed hole.Because the pressure in the oil well is bigger, the sealing load between material filling type sealed letter and oil pumping polish rod is also bigger, contains H in the well liquid of extracting out from oil well
2S, CO
2, Cl
-, 8O
4 2-, H
2O, mould and other comprehensive corrosion factors and hard solid suspended particle; during oil pumping; hard solid suspended particle can enter in the seal clearance between material filling type sealed letter and oil pumping polish rod in the well liquid; the body of rod of oil pumping polish rod moves back and forth in the closed hole of material filling type sealed letter, be subjected to solid suspended particle hard in the well liquid abrasion and with the contacted well liquid of oil pumping polish rod in H
2S, CO
2, Cl
-, SO
4 2-, H
2The corrosion of O, mould and other comprehensive corrosion factors, after use a period of time, oil pumping polish rod can lose efficacy because of denuding and corroding, and the erosion resistant and the decay resistance of this oil pumping polish rod are relatively poor, and application life is short.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, to propose a kind of erosion resistant and corrosive nature tungsten alloy anti-corrosion pumping polished rod preferably.
The utility model is realized with the following method.
The elongate rod that the alloy steel of the useful higher-strength of tungsten alloy anti-corrosion pumping polished rod is made, elongate rod has the body of rod, there is the bar head at the two ends of the body of rod, it is to forge jumping-up bar head that one end bar head is arranged in the two ends bar head of the body of rod, on the bar head connecting thread is arranged, the surface roughness Ra of the body of rod is 0.2～0.8 μ m, and the body of rod and bar head external surface are compounded with the compound tungsten based amorphous attitude alloy layer of usefulness " Na Feier " tungsten alloy electroplating technology.
The method for making of tungsten alloy anti-corrosion pumping polished rod is:
1. the alloy steel round steel of getting higher-strength is as raw material;
2. forge and press out the bar head of jumping-up at an end of raw material with the method for forging, obtain the oil pumping polish rod forging;
3. the mid frequency induction hardening of oil pumping polish rod forging, tempering, obtain modified oil pumping polish rod forging;
4. the method with machining and roll extrusion processes screw thread on oil pumping polish rod forging bar head, obtains oil pumping polish rod;
5. grinding is done on the surface of oil pumping polish rod and handled, the roughness Ra that makes the oil pumping polish rod surface is 0.2～0.8 μ m, obtains polishing oil pumping polish rod;
To the polishing body of rod of oil pumping polish rod and threaded rod head with " Na Feier " tungsten alloy electroplating technology surface recombination tungsten alloy coating outside.
The elongate rod that the alloy steel of the useful higher-strength of the utility model is made, the external surface of elongate rod are compounded with the compound tungsten based amorphous attitude alloy layer of usefulness " Na Feier " tungsten alloy electroplating technology." Na Feier " tungsten alloy electroplating technology is the up-to-date scientific and technological achievement that ChangSha, Hunan Province outstanding person Science and Technology Ltd. works out; this technology is by the induction and deposition principle; can go out tungsten based amorphous attitude alloy layer in the aqueous solution in the metal surface electro-deposition; owing to adopt special technology that is coated with and rational coating alloy composition; make alloy layer have the hardness height; abrasion resistance is good; corrosion resistance is strong; with characteristics such as the adhesion of matrix is good; the alloy layer main component is a tungsten; nickel; iron; phosphorus; do not contain the chromium element fully; compare with chromium plating; water-saving; power saving does not have chromic pollution; be the environmental protection technology of resources conservation comprehensive utilization, can replace original chromium plating technology comprehensively.The product that " Na Feier " tungsten alloy electroplating technology that ChangSha, Hunan Province outstanding person Science and Technology Ltd. produces is used has serial plating products such as YC-4, YC-5201, YC-5202.
The utility model is compounded with tungsten based amorphous attitude alloy layer at the external surface of oil pumping polish rod with " Na Feier " tungsten alloy electroplating technology, make strong, the good corrosion resistance of external surface hardness height, abrasion resistance of oil pumping polish rod, the oil pumping polish rod of making is corrosion-resistant and the abrasion performance is good, and application life is longer.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is that the bottom bar head is the bar head that forges jumping-up, and the bar head that forges jumping-up has the master office of looking of the tungsten alloy anti-corrosion pumping polished rod of connecting thread to cut open schematic diagram;
Fig. 2 is the A-A generalized section of Fig. 1.
The specific embodiment
Among Fig. 1, Fig. 2, the elongate rod 1 that the alloy steel of the useful higher-strength of tungsten alloy anti-corrosion pumping polished rod is made, elongate rod has the body of rod 2, there is bar head 3,4 at the two ends of the body of rod, it is to forge jumping-up bar head 3 that one end bar head is arranged in the two ends bar head of the body of rod, connecting thread 5 is arranged on the bar head, and the surface roughness Ra of the body of rod is 0.2～0.8 μ m, and the body of rod and bar head external surface are compounded with the compound tungsten based amorphous attitude alloy layer 6 of usefulness " Na Feier " tungsten alloy electroplating technology.
The main component of above-mentioned tungsten based amorphous attitude alloy layer can have tungsten, nickel, ferro element.The main component of tungsten based amorphous attitude alloy layer also can have tungsten, nickel, P elements.
Claims (1)
1. tungsten alloy anti-corrosion pumping polished rod, the elongate rod that the alloy steel of useful higher-strength is made, elongate rod has the body of rod, there is the bar head at the two ends of the body of rod, it is to forge jumping-up bar head that one end bar head is arranged in the two ends bar head of the body of rod, on the bar head connecting thread is arranged, the surface roughness Ra of the body of rod is 0.2～0.8 μ m, it is characterized in that: the body of rod and bar head external surface are compounded with the compound tungsten based amorphous attitude alloy layer of usefulness " Na Feier " tungsten alloy electroplating technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201849374U CN201159052Y (en) | 2007-12-20 | 2007-12-20 | Tungsten alloy corrosion protection oil pumping lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201849374U CN201159052Y (en) | 2007-12-20 | 2007-12-20 | Tungsten alloy corrosion protection oil pumping lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201159052Y true CN201159052Y (en) | 2008-12-03 |
Family
ID=40109638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201849374U Expired - Fee Related CN201159052Y (en) | 2007-12-20 | 2007-12-20 | Tungsten alloy corrosion protection oil pumping lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201159052Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936138A (en) * | 2010-09-02 | 2011-01-05 | 北京百利时能源技术有限责任公司 | Oil-sucking polished rod and production method thereof |
| CN102003148A (en) * | 2010-09-17 | 2011-04-06 | 北京百利时能源技术有限责任公司 | Oil casing pipe resisting CO2 corrosion and production method thereof |
| CN102434112A (en) * | 2010-09-29 | 2012-05-02 | 安东石油技术（集团）有限公司 | Oil pumping polished rod and preparation method thereof |
| CN111660072A (en) * | 2020-01-04 | 2020-09-15 | 铁岭中油机械设备制造有限公司 | Manufacturing method of anti-corrosion wear-resistant oil pumping polished rod |
-
2007
- 2007-12-20 CN CNU2007201849374U patent/CN201159052Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936138A (en) * | 2010-09-02 | 2011-01-05 | 北京百利时能源技术有限责任公司 | Oil-sucking polished rod and production method thereof |
| CN102003148A (en) * | 2010-09-17 | 2011-04-06 | 北京百利时能源技术有限责任公司 | Oil casing pipe resisting CO2 corrosion and production method thereof |
| CN102434112A (en) * | 2010-09-29 | 2012-05-02 | 安东石油技术（集团）有限公司 | Oil pumping polished rod and preparation method thereof |
| CN111660072A (en) * | 2020-01-04 | 2020-09-15 | 铁岭中油机械设备制造有限公司 | Manufacturing method of anti-corrosion wear-resistant oil pumping polished rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20131220 |