Last modified:
September 11, 2012

Shale Gas Production

Sustained, daily production rates of shale gas in the United States are low, about 1.4 to 7.0 E3m3/day (about 50 to 250 Mcf/day) compared to conventional reservoirs. For example, in 2002, the average conventional production rate for new wells in Alberta was 9.3 E3m3/day (330 Mcf/day).

Although the daily gas rate is low, shale gas reservoirs have

The original gas-in-place for a shale gas reservoir is determined by a number of factors, including the

The longest producing shale gas wells have been producing for 75 to 80 years. They are from the Big Sandy pool, a Devonian black shale in Kentucky.

The Antrim shale in the U.S. is about 75,000 km2 wide (29,000 square miles).

The total recoverable gas in a shale gas reservoir is determined by a number of factors, including the

Along with methane gas, other gases* and even heavy liquids may exist in the reservoir, such as

* We are uncertain if hydrogen sulphide (H2S) occurs in Alberta shales.

Technology

Technology drives the exploration and production of shale gas because advanced and innovative technologies are needed to access these low-permeability reservoirs.