Shock-absorbing downhole tools
BUMPER SPRINGS AND STOPS APPLICATIONS
Used in most wells that require a bottom hole spring/stop
BUMPER SPRINGS AND STOPS FEATURES AND BENEFITS
- Designed to prevent potential damage to plunger by absorbing the plunger impact at the bottom of the well
- Flow-thru maximized with extra-large throat
- Stress relieved fishing neck adds strength
- One piece rod design
- Multiple seat cup materials & sizes available
Seat Cup Spring Assembly
- Designed to prevent the bumper spring from moving out of position
- Accommodates X, XN & F [API] seating nipples with multiple seat cup sizes available
- Enhanced seal with 2 seat cups
- Heat-resistant and standard fiber seal cups available
- Available with integral standing valve option
Collar Stop/ Tubing Stop Spring Assembly
- Designed for accurate placement of tool in tubing string
- Excellent for use with gas lift assisted plunger lift
- Type F collar stop with bumper spring
Floating Spring Assembly
- Designed for easy retrieval with a fishing plunger and does not require a wire line to set or retrieve
- Utilizes a 1.90″ No-Go in place of a seat cup
- Movement of floating bumper spring decreases the chance of scale buildup and sand compaction
AVAILABLE IN THE FOLLOWING SIZES
1-1/2″, 2-1/16″, 2-3/8″ & 2-7/8″; Other sizes available upon request.
SIZES AND SPECIFICATIONS
| Part No. | Outside Tubing Dia. (in.) | Nominal Inside tubing Dia. (in.) | Nominal Tubing Weight (lbs. /ft.) | Tool Length (in.) | Nominal Tool Dia. (in.) | Tool weight (lbs.) | Seat Cups |
| Standing Valve Spring Assembly with Pressure Release | |||||||
| SPR2000ALM | 2 3/8 | 1.995 | 4.70 | 23.32 | 1.90 | 9.0 | Yes |
| Standing Valve Spring Assembly | |||||||
| STV2000ALM | 2 3/8 | 1.995 | 4.70 | 22.93 | 1.90 | 9.0 | Yes |
| STV2500ALM | 2 7/8 | 2.441 | 6.50 | 22.50 | 2.32 | 15.0 | Yes |
| Stop with Valve Assembly | |||||||
| SWV2000ALM | 2 3/8 | 1.995 | 4.70 | 13.79 | 1.90 | 5.0 | Yes |
| Stop Assembly | |||||||
| STP2000ALM | 2 3/8 | 1.995 | 4.70 | 13.70 | 1.90 | 4.0 | Yes |
| Seat Cup Spring Assembly | |||||||
| SCS1500A | 1 1/2 | 1.650 | 2.40 | 19.50 | 1.50 | 6.0 | Yes |
| SCS1700A | 2 1/16 | 1.751 | 3.25 | 19.50 | 1.70 | 6.2 | Yes |
| SCS2000ALM | 2 3/8 | 1.995 | 4.70 | 22.50 | 1.90 | 8.2 | Yes |
| SCS2500ALM | 2 7/8 | 2.441 | 6.50 | 22.50 | 2.32 | 15.0 | Yes |
| Collar Stop Spring Assembly | |||||||
| CSS2000ALM | 2 3/8 | 1.995 | 4.70 | 27.25 | 1.735 | 9.0 | N/A |
| CSS2500ALM | 2 7/8 | 2.441 | 6.50 | 27.25 | 2.32 | 15.0 | N/A |
| Collet Spring Assembly | |||||||
| COL2000ALM | 2 3/8 | 1.995 | 4.70 | 21.67 | 1.90 | 7.0 | N/A |
| Tubing Stop Spring Assembly | |||||||
| TSS2000ALM | 2 3/8 | 1.995 | 4.70 | 30.25 | 1.735 | 10.0 | N/A |
| TSS2500ALM | 2 7/8 | 2.441 | 6.50 | 30.25 | 2.320 | 16.0 | N/A |
| Materials of Construction: | Body: Standard construction 4140 steel; Alternate construction available in 17-4SS stainless steel or grade 5 Titanium. Spring: Standard carbon steel or 304SS. Cups: Standard fiber seal cups; High temperature composite also available. |
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