Sucker Rod Pumps and Fittings
Types of Tubing Pumps
1.Typically produces more fluid than a rod pump.
2.More costly to service than a rod pump.
3.Application is in shallow to medium depth wells due to loading on rod string and pumping unit.
4.Not a good choice in gassy wells.
5.Meeting API 11AX Specification
■ Product's advantage
Features Of Tubing Pumps
>>Typically produces more fluid than a rod pump.
>>More costly to service than a rod pump.
>>Application is in shallow to medium depth wells due to loading on rod string and pumping unit.
>>Not a good choice in gassy wells.
Types Of Tubing Pumps
THC-API Tubing Pump
>>Plunger Travels with Rod String.
>>Barrel Ran on Bottom of Tubing String.
>>Plunger Ran on Bottom of Rod String.
>>Bottom Holddown.
>>Heavy Wall Barrel.
Specialty Pumps
>>Extreme Well Conditions
Sand
Gas
>>Typically More Costly, but More Cost Efficient
Increase Run Times
>>Application from shallow, medium to deep
>>Typically Non-API Configuration
Hollow Tubing Pumps
>>Plunger Travels with Rod String.
>>Bottom Hold Down.
>>Available in Thin & Heavy Wall.
>>Available in Bottom & Top Hold Down.
>>Valve Rod is Replaced with Pull Tube.
>>Valve can be added on top of tube.
Advantages of Hollow Tubing Pumps:
>>Recommended for deep wells.
>>Pump discharge is spread across pump stroke (helps reduce tubing erosion).
>>Two Stage effect with valve on top of tube.
>>Pull Tube is more rigid than typical valve rod.
Disadvantages of Hollow Tubing Pumps:
>>Not recommended for sandy wells.
>>Barrel subject to corrosive attack.
LPSB-(Long Plunger Short Barrel)Tubing Pump
Can be built as Stationary, Travel or Tubing Barrel type pump.
Bottong Hold Down.
Heavy Wall Barrel construction.
Valve Rod is Replaced with Plunger.
Check Valve on top of pump.
THOS-Oversize Tubing Pump
>>Barrel Ran on Bottom of Tubing String.
>>Plunger Runs on Bottom of Rod String.
>>Heavy Wall Barrel-Strong Construction.
>>On-Off Tool.
Advantages of THOS Pumps:
>>Large Capacity.
>>Bore Size greater than ID of Tubing String.
>>Large Flow Area good for producing heavy viscous fluid.
>>Not Limited by Temperature.
>>Better at producing gas than an API Tubing Pump.
>>Heavy Construction.
>>Polished Rod used as Valve Rod.
Disadvantages of THOS Pumps:
>>Pull Tubing to replace entire pump.
>>Connection of sucker rods to pump after pump has been installed.
>>Not recommended for deep wells.
>>Not recommended for deep wells.
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