Calgary Flood News

We would like to extend our sympathy and understanding to all of our fellow Calgarians during this unprecedented natural disaster. This catastrophe has obviously impacted everybody in our community, and the economic ripples will be felt across Canada. My parents were amongst the thousands evacuated from Sunnyside, and are presently staying with us until electricity and sewer services are restored. Welltest Specialists is fortunate to be high and dry, our technology is fully operational, and our virtual office is open for business as usual. If...

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More on Alberta Annual Pressure Survey Requirements

ERCB–D40, section 4.5.7, states that “…the minimum number of pressure surveys should equal about 25 % of a pool’s producing well count, based on quarter section spacing for oil pools. This translates to one survey per productive section. For gas pools, one survey per four productive sections is required. The reference to “one survey per X productive sections” can be confusing, especially in large gas pools which have not been fully drilled up. In these low density, or low well count pools, surveying 25 % of the drilled...

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Milestone 10,002: Working on the Road – Charging Devices

April seems to be a perfect time to mention some of our favourite tools that keep us lean, light, and charged while travelling. Our Targus Laptop Charger is essential for reducing cable clutter and transformer weight. Powering two devices at once, with all the different tips available, and a little proactive attention, we can keep at least half-a-dozen electronics well fed. Nothing is more annoying than that middle-of-the-night BEEP when your phone is hungry. Ours even has the 12 V adapter for the Jeep. You might need only one ultra-light...

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Milestone 10,001: Working on the Road – Second Monitor

April seems to be a perfect time to mention some of our favourite tools that keep us lean, light, and productive while travelling. Our most coveted recent acquisition was a Lenovo ThinkVision LT1421 USB monitor. This portable 14″ LCD screen is a dream-come-true for those of us who just can’t work anymore without twin monitors. The new easy-to-remove cover adds tough travel protection to this featherweight accessory that receives power directly from your laptop. Back home it continues working as a third screen! Sweet! Highly...

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2013 ERCB Annual Pressure Requirements

The ERCB has published the 2013 list of Annual Pressure Requirements. Don’t forget that surface data and acoustic well sounder (AWS) surveys are acceptable for compliance. Since we have a whole year it is a good idea to coordinate testing with a plant turnaround, a pump change, or a routine maintenance shut-in. Testing water or gas injection wells is another good tactic for sustaining oil revenues. What’s not specifically clear in G40 is that Pressure Transient Analysis (PTA) is acceptable for estimating Annual Pressure Oil and Annual...

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Perforation Inflow Diagnostic Tests

Perforation Inflow Diagnostic (PID) tests satisfy ERCB Initial Pressure requirements. These simplified tests, now in common usage, provide an economical alternative to traditional methods. Basically the well is perforated under-balanced, and the subsequent closed chamber pressure build-up is monitored with subsurface pressure recorders. Data are then analyzed using impulse or closed-chamber theory (PITA) to generate a p*. What’s not specifically clear in G40 is that Pressure Transient Analysis (PTA) is acceptable for estimating Initial...

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