Geosteering in the WCSB

What Works, What Doesn’t Not all plays are equally suitable for a geosteering approach. While geosteering is the preferred method of reservoir navigation in unconventional shale and siltstone reservoirs, the approach is also used in conventional tight oil and gas clastic resource plays, as well as in some heavy oil plays and carbonate reservoirs. This […]

Drilling Optimization Approach

At Chinook Consulting Services we define Drilling Optimization as: Constructing a well that meets all objectives, for both reservoir access and data gathering, at the lowest possible cost and/or time without compromising HS&E or wellbore quality   In order to meet this objective, we believe that the most two main areas focus should be: Borehole […]

Drilling activity in the world

Rig activity throughout the regions of the world changes daily and with it changes the amount of services needed for the oil and gas industry. Rig counts throughout history and the world varied widely, between 6000 in 1981 and 1100 in 1999. Reasons for wild swings in rig utilization are numerous, among them political, technological, […]

Technologies and Geology

Undoubtedly new technologies drive development of resources plays and have spurred a new stage of exploration in the Western Canadian Sedimentary Basin. Engineering based plays place emphasis on drilling and completion techniques, but achieving desired production benefits substantially from improved understanding of reservoir geometry and mechanics, enhanced modelling of the producing formation and ideal placement […]

The Grosmont Carbonate Trend

The Grosmont Formation is a stratigraphic unit of Upper Devonian (Frasnian) age. It is present in the sub-surface of north-eastern Alberta,1 south-west of the Sub-Cretaceous erosional edge and north-east of the Ireton Shale facies of central Alberta. The ERCB estimates more than 400 billion barrels (65 billion m3) bitumen in place are trapped in the […]

The Duvernay Shale

The Duvernay Shale came to prominence in 2010 and 2011, when more than $2 billion were spent in auctions for land rights targeting the Devonian shale formation. The liquids rich play follows the trend set by similar unconventional targets in the United States, such as the prolific Eagle Ford Shale in Texas. Technology advances such […]

The Montney Play

The Montney Play is the foremost example of unconventional gas play in the Western Canadian Sedimentary Basin. Large deposits of shale and siltstone with poor permeability contain vast quantities of gas in the west and oil in the coarser eastern facies of the Montney Formation. An estimated 50 trillion cubic feet of natural gas is […]

The Horn River Basin

The Horn River play is one of the latest grand resource plays to emerge in the Western Canadian Sedimentary Basin. Following in the footsteps of such shale gas plays as the Barnett, Antrim and Caney Shale, the Horn River discovery lead to a surge in land sales in remote north-eastern British Columbia. Mineral rights for […]

Alberta Township System

The Alberta Township System is a land survey system used in Western Canada to divide land in 1 square mile sections. Initially used to define land for agriculture purposes, the system was later adopted in land sales and leases for hydrocarbon exploration rights. Provincial governments in Western Canada regulate the naming of oil and gas […]

Well classification

Lahee classification Mnemonic Lahee classification Description NFW New Field Wildcat An NFW well is located at a considerable distance beyond the limits of known pools and is outside the boundaries of existing fields. The well is drilled in an area where hydrocarbons have not yet been discovered. The geological risk of this type of well […]