Nickel Carbide Sucker Rod Pump Extra Small Clearance For Oil Production
Oil Production Extra Small Clearance Sucker Rod Pump
Extra clearance sucker rod pump description:
In the rod - having pump operation, API standard subsurface sucker rod pump is one quite important downhole oil production equipment. which can be divided into tubing pump and rod pump.
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.
The complete pump designation of an API pump adds dimensional diameters and lengths to the letter designations. This has been modified in the latest revision to incorporate all approved sizes and barrel types along with separating the extensions into the top and bottom lengths, if required. The complete API designation includes the following:
- Nominal tubing size (from 1.9- to 4.5-in. OD) - represented with 2 digits
- Basic bore diameter (from 1.0625 to 3.75 in.) - represented with 3 digits
- Type of pump (rod or tubing) - R or T to indicate type
- Type of barrel (heavy, thin, or X type) - single alpha character to represent the barrel type
- Seating-assembly location (top or bottom) - A (for top), B (for bottom), or T (for bottom, traveling barel)
- Type of seating assembly (cup or mechanical) - C or M to indicate type
- Barrel length (ft) - single digit length
- Nominal plunger length (ft.) - single digit length
- Length (in.) of upper extension (if required)- single digit length
- Length (in.) of lower extension (if required)- single digit length
Technical parameters for pump parts:
| Parts code | Parts code | Tubing Size & Pump Size | |||
| 2 3/8x1 1/4 | 2 3/8x1 1/2 | 2 7/8x2 | 3 1/2x2 1/2 | ||
| Complete Pump Designation | |||||
| 20-125 | 20-150 | 25-200 | 30-250 | ||
| B21 | Bushing, Valve Rod | B21-20 | B21-20 | B21-25 | B21-30 |
| R11 | Rod, Valve | R11-20 | R11-20 | R11-25 | R11-30 |
| C12 | Cage, Top Plunger | C12-125 | C12-150-20 | C12-200 | C12-250 |
| P21 | Plunger, One Piece | P21-125 | P21-150 | P21-200 | P21-250 |
| C13 | Cage, Closed, Pin Plunger | C13-125 | C13-150 | C13-200 | C13-250 |
| V11 | Traveling Valve | V11-125 | V11-150 | V11-200 | V11-250 |
| P12 | Plug Seat | P12-125 | P12-150 | P12-200 | P12-250 |
| G11 | Guide, Valve Rod | G11-20 | G11-20 | G11-25 | G11-30 |
| S21 | Seating Assembly, Mechanical Top Lock | S21-20 | S21-25 | S21-25 | S21-30 |
| B11 | Barrel, Thin Wall | B11-125 | B11-150 | B11-200 | B11-250 |
| C14 | Cage, Closed Barrel |
C14-20- 125 |
C14-20 | C14-25 | C14-30 |
| V11 | Standing Valve | V11-175 | V11-175 | V11-225 | V11-250 |
| B22 | Bushing, Seat, Barrel Cage | B22-20 | B22-20 | B22-25 | B22-30 |
| N14 | Nipple, Seating, Mechanical Top Lock | N14-20 | N14-25 | N14-25 | N14-30 |
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1. Extra small clearance between the plunger and the inside wall of the barrel.
2. Precison steel pump barrel
3. Stationary barrel or travelling barrel
Primary packing photo:
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