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Fluid Level Determination: Increase Production and Reduce Operating Costs

Fluid Level Determination: Increase Production and Reduce Operating Costs

The fluid level approach for determining  subsurface pressure is cost effective and provides the advantage of non-intrusive measurements.  You no longer have to perform costly and time consuming well servicing operations.  Fluid level determination can provide invaluable information to assist anyone that has an interest in both understanding and evaluating well or reservoir performance. When combined with surface pressure measurements, the fluid depth in a wellbore can be used to calculate the producing or static pressures.  Understanding producing and static pressure will help you ensure maximum production from your wells.

 

 

What everyone is the oil and gas industry wants to hear:  Increase Production and Save Money!

WHAT CAN WE LEARN FROM A FLUID LEVEL SHOT?

Is the pump performing optimally?

  • Do you have pumpable fluid above the pump? Yes.  Potential increase in production.
  • What is the probability of gas interfering with the pump operation?  Low or high probability.  Operational changes may lead to increased production and reduced wear and tear on your pump and pumping unit.
  • What are the pressures at the pump intake, the gas/liquid interface, and the perforations? What is the magnitude of the pressure drawdown from the reservoir? Again know this information can result in operational changes which can lead to increased production.

What is the accurate static and producing bottom hole pressure?

  • Accurate producing and static bottom hole pressures are of great importance when determining your maximum available production.
  • Static bottom hole pressure (SBHP) can be determined by a single shot on a stabilized shut in well or from multiple shots on a producing well once it has been shut in until it has stabilized..
  • Producing bottom hole pressures (PBHP) calculated from  measuring casing head pressure, plus the calculated gas column pressure and the fluid column pressure extending to the bottom of the wellbore.

Is there additional production available?

Having an accurate SBHP and PBHP is essential in determining potential production.  If PBHP is less than 10% of the SBHP maximum production is being obtained by the well.

What operational changes need to be made to optimize production?

Fluid level determination, when used in conjunction with a dynamometer analysis, can help determine which operational changes need to be made:

  • Does the well need to be sped up or slowed down?
  • Would it benefit the well to install a variable speed controller unit?  Or a timer?
  • Does the pump or pumping unit need to be resized?
  • Does a downhole gas separator need to be installed?
  • Would gas compression be a potential solution?

Thanks to Ron Halisky, R.E.T, P.L (Eng) from NR Tec for sharing his technical paper with me:  Fluid Level Measurements, Benefits and Common Applications.

Reduce the need for costly and intrusive well servicing.

The average fluid shot costs between $50-100.  Is there any other service in the oil and gas industry that costs so little?  The service does not require a wireline or service rig.  Echo’s experienced well optimization technicians, using the best equipment available, will provide you with the information to make great decisions resulting in increased well production and reduced operating costs.  Let us help you be proactive, reducing operating costs and optimizing production of your entire field.

Capable, Competitive, Experienced Optimization

Echo Optimization and Supervision is a rapidly growing optimization services company providing quality services at competitive rates to O & G companies across Alberta and Saskatchewan. For more information on our analysis and reporting services and our Pipeline Crossing Supervision, connect with our team by calling 1-403-895-0373 or filling out our contact form today.

 

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