API 11AX sucker rod pump
Description of oil pump
We can provide API pump and special pump
API pump: RHAC, RHBM, RHAM , RTH(B)C, TH(B)M, RWBM, RWBC, RWAM, RWAC R, RHBM-A, RHBC R
We manufacture all subsurface pumps covered by API Spec 11AX, including all barrel and plunger materials and surface finishes.
This is why our sucker rod pumps can be furnished with the components most suitable for your field of application and pumping operations can easily be extended to corrosive environments.
To achieve maximum performance,API subsurface pumps are machined with extra small clearance between the plunger and the inside wall of the barrel.
Our sucker rod pumps are categorized according to the API 11AX pump designation.
API-RHAC, Rod, Stationary Heavy Wall Barrel, Cup Top Anchor Pump
API-RHBM, Rod, Stationary Heavy Wall Barrel, Mechanical Bottom Anchor Pump
API-RHBC, Rod, Stationary Heavy Wall Barrel, Cup Bottom Anchor Pump
API-RWAM, Rod, Stationary Thin Wall Barrel, Mechanical Top Anchor Pump
API-RWAC, Rod, Stationary Thin Wall Barrel, Cup Top Anchor Pump
API-RWBM, Rod, Stationary Thin Wall Barrel, Mechanical Bottom Anchor Pump
Specification table of API sucker rod pumps:
| Type | Main parameters |
| Dia (mm) | Length pump barrel(m) | Length of stroke(m) | Length of extension(m) | Tubing pipe thread | Connect of sucker rod |
| Rod pump | Ø31.8 | 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.7 6.0 7.3 8.0 9.1 | 1.5- 6 | 0.3 0.6 0.9 | 2-3/8” | CYG16 |
| Ø38.1 | 2-3/8” 2-7/8” | CYG19 |
| Ø44.45 | 2-3/8” 2-7/8” | CYG19 |
| Ø57.15 | 2-7/8” | CYG19 |
| Tubing pump | Ø31.8 | 1.5- 7.8 | 0.3 0.6 0.9 | 2-3/8” | CYG16 |
| Ø38.1 | 2-3/8” 2-7/8” | CYG16 |
| Ø44.45 | 2-3/8” 2-7/8” | CYG16 |
| Ø57.15 | 2-7/8” | CYG19 |
| Ø69.85 | 3-1/2” | CYG22 |
| Ø95.25 | 4-1/2” | CYG25 |
The operating principle of tubing pumps involves the pump barrel assembly being securely attached to a tubing string. The plunger assembly is connected to the sucker rod string and moves up and down in a reciprocating motion, facilitating the production process. One of the main advantages of tubing pumps is that they allow for efficient problem-solving during oil production. When issues arise with the traveling valve or fixed valve, the valve side can be addressed by utilizing the sucker rod, piston, and extractor. This eliminates the need to remove the entire pump and tubing string from the well, reducing labor intensity and operational costs.
Main parts process and material:
Pump barrel: plain carbon steel plating (A1), ordinary carbon steel carbonitriding (B1), ordinary carbon steel carburizing (B2), low alloy steel nitride (B5).
Plunger: 1045 steel spraying (B1), 1045 steel spraying (B2), 1045 steel chrome plating (A1), 1045 steel double chrome plating (A2).
Valve ball and seat: stainless steel (A1), cobalt chromium (B2), tungsten carbide (C1), nickel and carbon compounds (C2), titanium carbide (C3).
Other accessories: plain carbon steel, low alloy steel, stainless steel, brass and other materials.
Company Information
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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High Flow Rate of 0-1000 m3/h Downhole Pump Sucker Rod with API 11AX Certification Images
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