Audited Supplier
Strictly complying with the relevant technical standards as stipulated, Weima can design and manufacture all kinds of standard tubing pumps and rod pumps, including API monogram products. At the same time,Weima can also adjust the designs according to the special requirements of customers and the well conditions in order to meet the field needs. We have developed and applied a series of special sucker rod pumps, such as heavy-oil pump, anti-sand pump, anti-gas pump, anti-corrosion pump, inclined well pump and separation pump Barrel, plunger and valves and other key parts can be made from various base materials and with various surface treatment methods according to different well conditions, and can also be manufactured according to customer's special requirements.
Structure of pump
The main spare parts of subsurface sucker rod pumps are barrel, plunger and valve.
Specification
3.1. Type of barrel: chrome plated or carbonitrided surface
3.2. Type of plunger: metal spray or chrome plated surface
3.3. Valve ball and seat materials: stainless steel, Cobalt alloy, tungsten carbide and Titanium carbide
3.4. Pump designation:
3.4.1 RHAM: Stationary Heavy Wall Barrel, Top Anchor, Mechanic Seating, Rod Pump
3.4.2 RHBM: Stationary Heavy Wall Barrel, Bottom Anchor, Mechanic Seating, Rod Pump
3.4.3 RHAC: Stationary Heavy Wall Barrel, Top Anchor, Cup Seating, Rod Pump
3.4.4 RHBC: Stationary Heavy Wall Barrel, Bottom Anchor, Cup Seating, Rod Pump
3.4.5 RHT: Traveling Heavy Wall Barrel, Bottom Anchor, Rod Pump
3.4.6 RWA: Stationary Thin Wall Barrel, Top Anchor, Rod Pump
3.4.7 RWB: Stationary Thin Wall Barrel, Bottom Anchor, Rod Pump
3.4.8 RWT: Traveling Thin Wall Barrel, Bottom Anchor, Rod Pump
3.4.9 RSA: Stationary Thin Wall Barrel, Top Anchor, Soft-packed Plunger, Rod Pump
3.4.10 RSB: Stationary Thin Wall Barrel, Bottom Anchor, Soft-packed Plunger, Rod Pump
3.4.11 THM: Heavy Wall Barrel, Mechanic Seating, Tubing Pump
3.4.12 THC: Heavy Wall Barrel, Cup Seating, Tubing Pump
Specification
Model | Thin wall rod pump | Thick wall rod pump | Tubing Pump |
Pump diameter (in) | 1 1/4~2 1/2 | 1 1/16~2 1/2 | 1 3/4~3 3/4 |
Plunger length (ft) | 2-24 | ||
Barrel length (ft) | 2-34 | ||
Material | Barrel: A1~A6, B1~B6, C1~C5, D1~D5, N1~N6 Plunger: B1~B3, C1~C3, D1~D3, E1~E3, F1~F3 | ||
| Symbol | Description | Tubing Size & Pump Size | |||
| 2 3/8x1 1/4 | 2 7/8x1 1/2 | 2 7/8x1 3/4 | 3 1/2x2 1/4 | ||
| Complete Pump Designation | |||||
| 20-125 | 25-150 | 25-175 | 30-225 | ||
| B21 | Bushing, Valve Rod | B21-20 | B21-25 | B21-25 | B21-30 |
| R11 | Rod, Valve | R11-20 | R11-25 | R11-25 | R11-30 |
| C12 | Cage, Top Plunger | C12-125 | C12-150-25 | C12-175 | C12-225 |
| P21 | Plunger, One Piece | P21-125 | P21-150 | P21-175 | P21-225 |
| C13 | Cage, Closed, Pin Plunger | C13-125 | C13-150 | C13-175 | C13-225 |
| V11 | Traveling Valve | V11-125 | V11-150 | V11-175 | V11-225 |
| P12 | Plug Seat | P12-125 | P12-150 | P12-175 | P12-225 |
| G11 | Guide, Valve Rod | G11-20 | G11-25 | G11-25 | G11-30 |
| C21 | Connector, Upper Barrel | C21-20 | C21-25 | C21-25 | C21-30 |
| C31 | Coupling, Extension | C31-125 | C31-150 | C31-175 | C31-225 |
| B12 | Barrel, Heavy Wall | B12-125 | B12-150 | B12-175 | B12-225 |
| C14 | Cage, Closed Barrel | C14-20 | C14-25 | C14-25 | C14-30 |
| V11 | Standing Valve | V11-175 | V11-225 | V11-225 | V11-250 |
| S22 | Seating Assembly, Mechanical Bottom Lock | S22-20 | S22-25 | S22-25 | S22-30 |
| N12 | Nipple, Seating, Mechanical Bottom | N12-20 | N12-25 | N12-25 | N12-30 |
1.Are you a factory?Yes,we have our own factory for manufacturing and we have the long history in this field as the China top brand.
2.Can you provide free sample?
Yes, we can provide samples in our stock for free, customer just need to bear the shipping fee.
3. Hhow about the quality guarantee ?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
4.what can you buy from us?
OCTG / Pumping Unit / Sucker Rod Pump / Wellhead and Christmas Tree / Casing and Coupling /Pup joint/Crossover/Centralizer
