Unbridled Energy – New Technology for More Gas
Post by Peter Schilling, Oil and Gas Peter (admin)
OverviewUnbridled Energy is an independent natural gas evaluation and production company specializing in shale gas and tight gas sands (“TGS”) opportunities in two main basins within North America; the eastern US Appalachian Basin and the Western Canadian Sedimentary Basin. The Company is applying a lower risk production enhancement strategy, with the latest horizontal drilling and fracing technologies to shale gas and TGS formations in the Appalachian Basin and Canada. The Company has offices in Pittsburgh, Pennsylvania and Calgary, Alberta. Highlights
UNE has signed an agreement with a public utility in New York to drill a well to basement in the Company’s New York field as part of a project to perform a strategraphic test of the deep formations. The Company retains all oil and gas rights in the formations to be tested, and will have the right to complete any formation that the Company believes can be commercially produced for hydrocarbons. The location was selected based upon 2D seismic data over UNE’s acreage. If the deep formations are evaluated and do not contain commercial quantities of hydrocarbons, the well will be plugged back to the Medina formation for a completion in that zone. The well is expected to spud in Q2 of 2009. In Q2 or Q3, 2009, the Company also expects to test a new Devonian-aged shale interval that exists across its New York property. If economically successful, many existing wells can be recompleted into the shale, and new vertical and horizontal wells could be drilled. In Canada, the Company expects to test a new thick, deep shale interval in an existing well by Q3 2009. Winter weather conditions will prevent testing before then. The shale interval exists over the Company’s acreage position. In Q2 2009, the Company also plans to perform a large acid stimulation in the Elkton dolomite formation in its 16-21 well. Simulation results show a potential of 3 to 5 MMscf/d after the acid stimulation. Chief PropertiesChautauqua Lake, New YorkOn April 2, 2007, Unbridled acquired a 50% WI in 13,280 gross acres in the State of New York. The property was originally producing approximately 250 mcf/day gross, largely from the Medina TGS formations at depths between 3,000 to 4,000 ft. The wells have produced a cumulative 7.3 bcf since production commenced on these properties in the late 1980’s. Two of the wells produce from the shallower Bass Island trend, which is a naturally fractured carbonate formation that produces both oil and gas. The property was purchased to exploit hundreds of new well locations and to recomplete existing wells. The Company leased additional acreage in 2008 to expand to approximately 15,000 gross acres. Six new wells and 4 recompletions were performed in 2008. This effort more than doubled the field’s production to over 550 Mscf/d gross. Unbridled’s consultants, Schlumberger Data and Consulting Services (“DCS”), a qualified third party reserves evaluator, have established discovered resources on these properties ranging from 64 to 112 bcf. The DCS report as of 12/31/2007 shows net reserves as follows: 3.1 Bscf Proved, 4.9 Bscf Probable and 23.9 Bscf Possible. Ohio River PlayThe Company owns a 50% WI in approximately 30,000 acres and is the operator of 4 wells in Jackson County, Ohio. The Company and its Joint Interest partner, Equitable Production Company, drilled 3 horizontal wells into the Devonian-age Lower Huron shale formation in May-June 2008. The wells were completed using 7 or 8 stage stimulation treatments. The wells were flow tested at sub-economic rates. Additional formations are being evaluated for drilling new wells. The partners have established an 11 township “Area of Mutual Interest Agreement” (AMI). This acreage acquisition was based on management’s research of old wells drilled prior to the development of modern technology, as well as its close proximity to natural gas sales lines and other economic horizontal Lower Huron wells. Chambers Area, AlbertaThe Company holds an average of 41% WI in 12,160 acres (19 sections) in the Chambers/Ferrier area of Alberta, northwest of Calgary. This area has become an active multi-zone drilling play, given recent drilling successes and the significant gas and condensate resource in place. Unbridled, and its partners, drilled and completed the Chambers 3-17-41-11 W5M well (“3-17”), in multiple formations, with the primary zone being a TGS formation. The well was placed into sales at an IP over 1000 MMscf/d and 50 bbls/d of condensate during November 2007 and continues to produce as of February 2009. In Q3 2007, the Company drilled the Chambers new pool well, located at 16-21-41-11 W5M (“16-21”). This location was high graded with the use of 3D seismic, in conjunction with the results of the 3-17. The 16-21 well was successfully drilled under budget and encountered numerous gas bearing formations, including a large Second White Specs organic shale zone. The 16-21 well was completed in the Elkton hydrothermal dolomite and produced at 1 MMscf/d after a small acid treatment. The Company plans a larger acid stimulation in Q1 2009 that could improve production to between 3000 and 5000 Mscf/d. Management
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SignupUnderstanding Shale Gas and New TechnologyEnabling Technologies: 3D Seismic, Horizontal Wells, Multi-stage Fracturing and Microseismic
Before 2000, most shale wells were completed in a vertical well bore using a single stage fracture treatment. The low permeable shale holds a vast amount of gas, but to get the gas flowing, you must fracture the rock to create a permeable pathway for the gas to be produced. The new technologies, although more complex, essentially consist of drilling a horizontal well and conducting multi-stage fracturing treatments to create more fractures in the shale formation. With the old technology of single stage fractures in a vertical well bore, initial flow rates would only be 100-500 thousand cubic feet (mcf)/day/well, with reserves ranging from 0.05 to 1 billion cubic feet (bcf)/well. Now, with new technology, initial flow rates are registering at 500 mcf to 3 million (mmcf)/day, with reserves ranging from 0.5 up to 3 bcf or greater per well. Even with incremental costs for horizontal wells, the economics are far superior. Conducted simultaneously, microseismic is another highly effective new technology providing the engineer with images to evaluate the success of the multi-stage fracturing process. This data is used to quickly develop the most effective fracturing process to use on future wells. The use of 3D seismic has also increased substantially to improve the understanding of geologic features that can improve production results. As a consequence, operators across the US and, now, western Canada are leasing hundreds of thousands of acres in pursuit of these large-scale shale plays. The Gas Technology Institute estimates shales contain up to 780 trillion cubic feet of gas in place, in the US alone. It is anticipated, over the next 5-10 years, shale gas exploration will be conducted worldwide. |
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