Reservoir Engineering

PetroStudies Consultants Inc. provides a full range of Reservoir Engineering services - from providing advice on qualitative policy issues to completing detailed calculations on a wide variety of technical matters. PSC personnel have extensive experience in the transfer of reservoir engineering technology through administering and hosting 'on-the-job' attachment programs for international clients.

Reservoir Engineering services are generally applied in concert with professionals in various other disciplines - either client personnel or PSC specialists - as determined by the requirements of each assignment. The basic philosophy implemented is to match a solution technique with the specific problem to be addressed such that an appropriate, practical solution is achieved in a cost effective manner. The following paragraphs detail some of the areas where PSC can be of assistance.

Application of Analytical Techniques

  • General Reservoir Engineering

  • Acquisition & divestiture evaluations

  • Oil and Gas Well Test Design, Scheduling and Interpretation

  • Gas Well/Field Deliverability Optimization

Unitization

Regulatory Agency Submissions

Data Collection Scheduling

Auditing Technical Reports

Expert Witness

Overall Reservoir Management


Application of Analytical Techniques

PSC can develop an independent analytical analysis of raw data. If specific data is unavailable, we can gather and synthesize regional data or develop and/or apply correlations to acquire appropriate data sets. The application of analytical techniques can assist clients in assessing their current and/or potential hydrocarbon reserve base and production projections. Reasons for these analyses are varied and include a general desire to make informed decisions, develop a testing program, acquisitions, divestitures, banking and securities requirements etc. Depending on the client's needs, this data can be from a single well, all the wells in a given field or the client's entire inventory. The specifics of the analyses will depend on the ultimate objectives, the complexity of the problem and the data available. PSC provides the benefit of being able to apply these techniques within the context of, and/or leading to, an overall understanding of pool performance. This incorporates the knowledge of various disciplines (eg. geophysics, petrophysics, geology, production engineering, reservoir engineering etc.) to arrive at consistent, practical solutions.

The types of problems handled with analytical techniques can include pressure transient analyses (DST, build-ups etc.), production rate declines, material balance calculations, volumetrics, voidage/replacement determination, displacement considerations (waterfloods etc.), EOR screening (tertiary oil recovery estimation, rate forecasts based on expected ultimate recovery or available laboratory evaluation of the EOR process ), PVT characterization (retrograde behavior - liquids recovery, miscibility conditions etc.), water or gas coning estimations, horizontal well transient productivity estimation etc. Most of these techniques can be applied to either oil or gas properties and can include economic projections.

Analytical analyses may provide sufficient information on project profitability to stand on their own or may result in recommendations for additional data gathering and/or laboratory testing. If the detail required and/or the complexity of the problem preclude the application of analytical techniques PSC can provide numerical analyses (i.e. using a simulator).


Unitization

PSC can represent clients on Unit Management and/or on Unit Technical Committees. This can start in the pre-unit stage where we can assist and/or conduct negotiations on behalf of our clients, or, can be after the unit has been formed, on an ongoing basis, or at specific points in time when significant activities are being addressed.


  Regulatory Agency Submissions

Many projects (eg. Drilling Spacing Units adjustments, Good Production Practice, Gas/oil ratio Penalty Relief, Secondary Recovery etc.) require submissions to Government agencies. PSC can consolidate all the necessary information and prepare the required documents to satisfy these requirements. Technical representation will be provided on an on-going basis on behalf of our client to ensure the approval of an application.


  Data Collection Scheduling

Early in the life of a field there is often insufficient data to perform detailed analysis. PSC can assist clients in preparing a cost effective data acquisition action plan. This ensures that the proper quantity and quality of data is gathered at critical stages of a field's life to provide the basis for subsequent monitoring of reservoir performance and sound Reservoir Management.


Auditing Technical Reports

PSC has reviewed documents prepared by other organizations reporting on the reserves, production rate projections etc. of oil and gas fields. This process involves accepting the information as reported and only provides a review of the processes involved in the analysis. While some calculations may be confirmed, this type of audit relies primarily on a subjective evaluation of the analysis techniques applied and is generally not a re-analysis of the data. This type of review will highlight any possible technical deficiencies and potential biases inherent in the supplied document. Reports reviewed by PSC for various clients have covered the spectrum of reservoir engineering from corporate reserves evaluations for acquisition and divestiture purposes through single well transient analyses and fluid properties analyses to comprehensive reviews of the results of full field simulation studies.


Expert Witness

PSC can provide Expert Witness testimony before legal bodies. This can be general in nature or involve prepared testimony based on specific issues and/or reservoir assessment. PSC is very cognizant of the special needs of litigation and can provide the technical back-up for your legal team.


Overall Reservoir Management

PSC can effectively coordinate an overall reservoir management team to assure maximum recovery and profits are realized from a client's reserve base. This can commence upon discovery and continue through to the end of the life of the asset.


We welcome your questions and comments, click below to contact us!

PetroStudies Consultants Inc.
#204, 4603 Varsity Drive N.W.
Calgary, Alberta,
CANADA T3A 2V7
Phone : (403) 265-9722; Fax: (403) 265-8842
 

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