Turn-key Pumpjack Balancing and Performance Evaluation Services

  1. Dynamometer Test

Identifying Standing Valve (SV) and Travelling Vale (TV) leaks. Identifying Pump fillage, especially on wells with Pump-Off Controllers (POC). We can't stress that enough - if the well is pumped off that means the pump is not full which is drastically reduced the lifetime of the downhole equipment. When the pump is not full that changes the velocity of the rods. In this case, a fluid pound pump-off tag can occur, increasing the rods' failure chances and reducing the maintenance time between failures (MTBF)

  1. Ultimate Performance Analysis

We provide pumping unit surface equipment, prime mover, downhole pump, and gas separator analysis. Surface efficiency includes losses per crank revolution in structural bearings, transmission, belts, and the electric motor

  1. Pumpjack Balancing Services

Counterbalance Momentum (CBM) or Counterbalance Effect (CBE) Testing. The pumping unit needs to be stopped with the cranks level on the upstroke. Polished rod load approximately equals buoyant road weight plus the fluid load. Initial load normally exceeds the Counterbalance effect CBE load. As the liquid load slips past the plunger the polished rod load will drop. The operator releases the pumpjack brake when measured road load

  1. Net gearbox torque analysis, overloading identification

There are three methods to determine gearbox toque loading: use input motor power, motor and drive efficiencies, and the pumping unit speed; use surface dynamometer card and torque factors together with counterbalance moments (CBM) determined from static CBE, CBE test; use surface dynamometer card and torque factors together with counterbalance moments from the crank and weights

  1. Power Analysis, monthly operating costs, power demand, power generation credit

We utilize a portable wireless power transmitter with sensors. Measurement of power using the power-current transmitter is a quick and easy process. For more efficient operations power requirements on the upstroke should be balanced against the downstroke. We will provide you the exact weight that needs to be moved in or out on the cranks

  1. Inflow Performance Relationship (IPR) testing

Inflow Performance Relationship testing describes well performance when both free gas and liquid flow simultaneously from the reservoir. This method is applicable for gas-drive reservoirs with pressures below the bubble point pressure, gas wells, coal bed methane (CBM) wells. IPR test allows to determine well's performance using only one stabilized flow rate

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Turn-key Production Decline Troubleshooting Services

  1. Liquid Level Determination
  2. Tubing pressure test from the downhole pump
  3. Casing check valve pressure test and inspection
  4. Shooting LL down the tubing and casing to find a possible hole in tubing (HIT) or obstructions
  5. Tubing string pressure test using a pressure truck
  6. Liquid level monitoring, obtaining SBHP (long-term monitoring until stabilization)
  7. Current inflow calculation based on the static levels build-up, Pump size Vs. Inflow comparison
  8. Starting the well up and pressure drawdown monitoring until liquid levels stabilization, foam depression test to obtain PBHP
  9. Inflow Performance Relationship (IPR) Calculation
  10. Downhole Gas Separator performance evaluation using Gas Separator Simulator
  11. Pumpjacks: Additional dynamometer testing, pump cards interpretation, performance evaluation
  12. ESPs: Pump Rotation check
  13. Gas Lifts: Leaking gas valve determination, performing a "dual-shot" technique
  14. Plunger Lifts: Plunger tracking, full-cycle evaluation, and analysis, identification plunger fall velocity, tubing obstruction, calculation of the Lift Energy
  15. CBM wells: Shooting liquid level down the casing to make sure all perforation zones are open

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Turn-key Regulatory Compliance Services

  1. AER Directive 13 - Suspended well inspections. Tubing and casing pressure measurements, leaks detection, SCV bubble test, if fails we perform SCVF test
  2. AER Directive 87 - SCVF testing and paker integrity testing. For D87 testing we utilize the new industry standard equipment which is built-for-purpose and designed precisely for AER Directive 20 and Directive 87 requirements

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