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To provide valuable information to our customers and prospective customers, Data Retrieval Corporation continues its newsletter series for the petroleum industry's working engineer. Our newsletters cover many topics ranging through general pressure transient testing information (Well Testing 101) to Data Retrieval Corporation's proprietary wellhead to bottomhole pressure conversion techniques

Engineer's Corner Pages: 1 2

Engineer's Corner Archive

The 4 key elements in Pressure Transient Testing using Surface Measurements

This is the first installment of a 4 part series outlining the 4 keys of pressure transient testing from ...

Communication Testing For Observation Well Having a Liquid Column

Figure one is a plot of the pressure response in an observation well having both a downhole gauge and a ...

Input Sensitivity on DFIT Analysis

The results of any computer model are only as good as the inputs. This is true in any professional ...

Interference Testing: The Low Cost, No Risk Approach

Interference testing, also known as a communication test, is a multiple well test that is used by operators ...

Gauge Selection for Pressure Transient Testing

Strain Gauge vs. Capacitance vs. Quartz When conducting transient tests (PTA) on high permeability reservoirs ...

Interpreting Pressure Transient Tests

There is a lot of information present in a pressure transient test, and it is the reservoir engineer’s job to ...

Benefits of Conducting a Pressure Drawdown Test

There are many reasons to test a well. At DRC the most common type of test we see is the Pressure ...

Wells in Tighter Formations Can Be Tested for Boundaries

DRC and WAVEX, Inc . teamed up to save drilling an unnecessary well for a South Texas Operator. We ...

Gauge Quality Will Affect Analysis

In the past two decades there have been major technological improvements in the field of pressure ...

Analysis Discrepancies when using PTA Software

Data Retrieval Corporation has built its reputation over the past 25 years by not only providing a cost ...

Comparison of SPIDR vs DHG in High CO2 well

Viability of surface testing for wells with high concentrations of CO2 in the wellbore. Performing pressure ...

Reservoir Dimensioning using the SPIDR

Operating oil and gas properties in the Gulf of Mexico can present many challenges on a daily basis. ...

Two-Rate Testing: An Alternative to Build-Ups and Drawdowns

Pressure-transient testing is a valuable tool for a reservoir engineer. A properly executed test will enable ...

Testing After the Storm

Pressure transient testing is one of the cornerstones of well diagnostics. Reservoir engineers utilize ...

Pressure Build-ups (PBU) vs. Static Gradient Survey / Flowing Gradient Survey

During a recent international marketing trip we have found that many operators of high rate gas and gas ...

CO2 Well Testing via the SPIDR System

When reviewing recent SPIDR work for pressure transient testing of CO 2 wells, DRC has encountered a wide ...

The Conversion of Wellhead Pressures on Subsea Wells

Frequent, accurate bottomhole pressures (BHP) are critical for a reservoir engineer. They enable the engineer ...

Long Term Well Monitoring

Pressure Transient Analysis (PTA) is the primary tool for reservoir management. To efficiently produce ...

The Effect of Wellbore Storage on Surface Data

Engineers often ask how much of an effect wellbore storage has on surface data for a pressure-transient test. ...

Are your Permanent Downhole Pressure Gauges (PDHG) functioning? If not, DRC may have a solution.

Producing a deepwater oil or gas well without bottomhole pressure measurements is akin to flying an airplane ...

SPIDR used for Completion evaluation & shot detection of perforating guns

Having worked in field operations for many years running Tubing Conveyed Perforating (TCP) equipment for both ...

Measuring Well Head Temperature

Petroleum engineers need to know flowing well head temperatures (FWHT) in order to determine choke sizes and ...

Types of Well Tests: Build-Ups and Drawdowns

In this newsletter, build-up and drawdown testing will be discussed. In the next issue, various types of ...

How to ensure a successful test

Running a successful well test not only provides information about the reservoir, it also makes it easier to ...

How long do I test?

One of the most important questions in the design of a well test is, ?¨How long do I test??Æ The answer is ...

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DRC in the Middle East
I recently returned from a 2 week trip to the Middle East where I met with ...
Microseismic Testing and UTC (Universal Time Clock)
Microseismic testing is a relatively new and powerful tool now being used ...
The 4 key elements in Pressure Transient Testing using Surface Measurements
This is the first installment of a 4 part series outlining the 4 keys of ...

The SPIDR device is attractive to us at EOR for many reasons. For our St. Johnís CO2/Helium ...

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DRC - Data Retrieval Corporation | 13231 Champions Forest Drive, Suite 401 | Houston, TX 77069 | Phone (281) 444-5398, Fax (281) 444-5397