Concessions for the producing areas within this basin expire between 2036 and 2040. The net liquids component of oil-equivalent production for 2015 averaged 501,000 barrels per day, up 10 percent from 2014 and 12 percent from 2013. The disciplines cover earth sciences, reservoir and production engineering, drilling and completions, facilities engineering, manufacturing, process technology, catalysis, technical computing and health, environment and safety. Participants may contribute up to 75 percent of regular pay as combined basic 1 or 2 percent and supplemental up to 73 percent contributions. Determination as to whether and how much an asset is impaired involves management estimates on highly uncertain matters, such as future commodity prices, the effects of inflation and technology improvements on operating expenses, production profiles, and the outlook for global or regional market supply-and-demand conditions for crude oil, natural gas, commodity chemicals and refined products. The company has signed an agreement for the sale of its interest in a refinery in Pakistan, which is pending government approval.
In 2015, the company completed its second 3-D seismic survey in this area with processing and interpretation of the seismic data planned to continue through 2016. There are two deepwater natural gas development projects in the Kutei Basin progressing under a single plan of development. Net oil-equivalent production during 2015 averaged 64,000 barrels per day, composed of 30,000 barrels of crude oil, 30 million cubic feet of natural gas and 29,000 barrels of synthetic oil upgraded from heavy oil. The company produces crude oil and natural gas in the midcontinent region of the United States, primarily in Colorado, New Mexico, Oklahoma, Texas and Wyoming. The plant design is under development, with a final investment decision expected by 2018.
In the United States, the company continued work on projects to improve refinery flexibility, reliability and capability to process lower cost feedstocks. That is, favorable changes to some assumptions would have reduced estimated future obligations, thereby lowering accretion expense and amortization costs, whereas unfavorable changes would have the opposite effect. We provide a wide range of academic services all students. The company continues to assess alternatives for the optimum development of the Ubon Field. Securities and Exchange Commission's rules and forms.
International net oil-equivalent production was 1. While capital investment reviews and decisions involve uncertainty analysis, which incorporates potential ranges of physical risks such as storm severity and frequency, sea level rise, air and water temperature, precipitation, fresh water access, wind speed, and earthquake severity, among other factors, it is difficult to predict with certainty the timing, frequency or severity of such events, any of which could have a material adverse effect on the company's results of operations or financial condition. Any copying, republication or redistribution of Lipper content, including by caching, framing or similar means, is expressly prohibited without the prior written consent of Lipper. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Activities continued on the Bibiyana Compression Project during 2015. In first quarter 2015, the company resumed operations and testing programs at the Sarta wells and restarted the seismic data acquisition program at the Qara Dagh Block, which was completed in second quarter 2015.
Chevron also operates and holds a 100 percent interest in the Salak geothermal field in West Java, which supplies steam to a six-unit power plant, three of which are company owned, with a total operating capacity of 377 megawatts. The company sold its 50 percent interest in Caltex Australia Limited in April 2015. At the end of 2015, proved reserves had not been recognized for the Mad Dog 2 Project. We are the number 1 most trusted academic services website. Chevron has a 50 percent interest in the Jack Field and a 51 percent interest in the St. The company holds a 93.
Proved reserves have been recognized for this project. We can write your papers, do your presentations, discussion questions, labs, and final exams. Construction on the 87-mile offshore pipeline was completed in mid-2015. At year-end 2015 , the company had no interest rate swaps. The company closely monitors developments in the countries in which it operates and holds investments, and seeks to manage risks in operating its facilities and businesses.
The planned facilities have a design capacity of 80,000 barrels of crude oil and 40 million cubic feet of natural gas per day. At the end of 2015, proved reserves had not been recognized for this project. For example, the costs for settlement of claims and litigation can vary from estimates based on differing interpretations of laws, opinions on culpability and assessments on the amount of damages. The company also holds a 38. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. The company reported impairments for certain oil and gas properties during 2015 primarily as a result of downward revisions in the company's longer-term crude oil price outlook.
At year-end 2015 , settlement of these obligations was not expected to require the use of working capital in 2016 , as the company had the intent and the ability, as evidenced by committed credit facilities, to refinance them on a long-term basis. Proved reserves have been recognized for this project. The company continues to implement projects designed to sustain production from existing reservoirs. In addition, in our opinion, the financial statement schedule listed in the index appearing under Item 15 a 2 presents fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. Appraisal activities, including a sidetrack of the discovery well, at the 55 percent-owned and operated Anchor discovery were completed in fourth quarter 2015 and were successful.