Project Description
Features and Benefits:
- Reduces wear on sucker rods and tubing
- Lets rod string “fall” faster
- Reduces Rod Load
- Reduces energy requirement for pump
- Eliminates “wiping” of inside tubing
- Quick Cost Recovery
- Wheels are field-replaceable
- Eliminates need for any other coupling device
- Extends the life of rods and tubing by reducing wear.
- Reduces energy requirements by reducing drag.
- Reduces lost production by extending time between work-overs.
- Reduces drag in directional wells.
- Reduces the need for sinker bars by adding weight and reducing drag.
- Rollers are field replaceable.
- Centralizes rod string.
Where should you install Wheeled Rod Guides couplings?
- On the first two or three rods above the bottom hole pump.
- Intermittently throughout the rod string where wear is indicated on the rods or tubing.
- Where known hole deviation occurs or where past history shows signs of wear.
- On the first two or three rods below the stuffing box.
- Install Wheeled Rod Guide® couplings in place of the regular sucker rod coupling.
- Important: Start the threads on by hand before tightening with power tongs or rod wrenches to prevent cross-threading.
Make-up torque
- 3/4″ rods – 375ft/lb
- 7/8″ rods – 500ft/lb
- 1″ rods-800ft/lb
- Install Wheeled Rod Guides couplings where known rod and tubing wear occur or in directionally drilled wells.
Application and Dimensions:
| APPLICATION | MAXIMUM ROD LOAD | DIMENSIONS A(INCH) | DIMENSIONS B(INCH) | DIMENSIONS C(INCH) | WEIGHT |
|---|---|---|---|---|---|
| 2058P 5/8″ Rod / 2 3/8″ Tubing | 19,600 | 1.50 | 27 | 1.80 | 10lbs |
| 2034P 3/4″ Rod / 2 3/8″ Tubing | 19,660 | 1.50 | 27 | 1.80 | 10lbs |
| 2558P 5/8″ Rod / 2 7/8″ Tubing | 19,600 | 1.50 | 27 | 2.25 | 10lbs 2oz |
| 2534P 3/4″ Rod / 2 7/8″ Tubing | 19,600 | 1.50 | 27 | 2.25 | 10lbs |
| 2578P 7/8″ Rod / 2 7/8″ Tubing | 22,400 | 1.625 | 27 | 2.25 | 11lbs 5oz |
| 3034P 3/4″ Rod / 3 1/2″ Tubing | 19,600 | 1.50 | 29 | 2.75 | 12lbs 6oz |
| 3078P 7/8″ Rod / 3 1/2″ Tubing | 22,400 | 1.75 | 29 | 2.75 | 15lbs |
| 3010P 1″ Rod / 3 1/2″ Tubing | 35,000 | 2.00 | 29 | 2.75 | 19lbs |
Temperature Caution: Standard Models are for applications in well bore temperatures up to 175°F (fitted with ultra high molecular weight polyethylene wheels). For service in higher temperatures, see special wheels listed and consult Oilfield Improvements, Inc.
Rod Load Caution: Standard models are designed for application within these listed rod load limits. For applications exceeding these limits, consult Oilfield Improvements, Inc. Oilfield Improvements Inc does not express or imply any warranties of its Wheeled Rod Guide® couplings, either with regard to these rod load limits or in any other manner.
Materials of Construction:
- Wheeled Rod Guides couplings body: Standard coupling bodies are machined from cold rolled steel of 78,000lb tensile strength.
- Special metals: The above models are in stock for high stress rods (made from stress-proof steel) 125,000lb tensile strength.
- Wheels and Roll Pins: Wheels are set on stainless steel journals and roll pins. Standard wheels for applications up to 175°F are made of ultra-high molecular weight polyethylene.
- Special Wheels: Wheel materials and temperature applications:
- Up to 175°F: UHMW
- 175°F-350°F: Amodel
- 350°F-450°F: Ryton
- There is no extra charge for any material listed above. 450° and above: Steel-there is an increase in the cost of this wheel material.
Replacement kits:
Wheels, roll pins and journals are field-replaceable. Wheel kits are standard order items.
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