TMK intersects gassy coal at SL-02 well in Mongolia
Australia’s TMK Energy on May 23 said that drilling on Snow Leopard – 2 (SL-02) within the Nariin Sukhait area of the Gurvantes XXXV coalbed methane (CBM) project in the South Gobi basin of Mongolia has intersected approximately 70 m of gassy coal from the upper coalbed.
The company added that the coal core from SL-02 has been sampled for gas desorption testing, and preliminary results indicate that the coal has high gas contents. Drilling at SL-02 is currently at a depth of 360 m and is drilling ahead to target a deeper coalbed interpreted to exist at this location.
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SL-02 is planned to be drilled to a depth of approximately 600 m and is targeting the same coal formations intersected in SL-01. Further results on gas contents and permeability test data from SL-01 confirm high gas content results for the initial six desorption samples from SL-01 of between 11.4 m3/t and 15.2 m3/t and averaging 13.2 m3/t.
The high final gas content values from the initial SL-01 desorption samples are higher than expected, TMK said. The remaining 41 desorption samples from SL-01 continue to produce gas, and final gas content values will be confirmed once gas desorption rates decrease to the level required to make a final measurement.
The Gurvantes project covers an area of 8,400 km2 and is situated around 20 km from the Chinese-Mongolian border and close to the northern China gas transmission and distribution network. TMK earlier this year completed the acquisition of Telmen Energy, which held a 100% interest in the Gurvantes XXXV project.