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  1. DNO schedules Yemen production tests next year

    Uchenna Izundu International Editor LONDON, Dec. 29 -- Norway's DNO ASA will start another round of production tests early next year in Yemen from the Tasour No. 23ST exploration well on Block 32 after having initial overheating problems with a large electrical submersible pump. The Tasour No. 23ST exploration well was drilled to 3,139 m TD and suspended as a potential upper Naifa oil well. The well targeted prospects in the Naifa carbonates and fractured basement. DNO said that it had recovered 200 b/d of 27º gravity oil and 457 b/d of water from a 10.5 m perforated interval in the upper Naifa carbonate. Oil from the production tests will be treated at the Tasour plant and exported. The well had drilling problems at 2,586 m and it was subsequently plugged back to 852 m. DNO said it drilled a sidetrack well to a TD of 3,139 m (about 300 m into the basement). "Testing was carried out on the basement and on two separate Naifa carbonate zones. No hydrocarbons were recovered from tests on the basement and the lower Naifa carbonate," DNO said. DNO has an interest of 38.95 % in Block 32; partners are Ansan Wikfs 42.9%, TT Holding 13.12%, and Yemen Co. 5%. Early next year, DNO will drill an exploration prospect with Naifa carbonates on Block 43 and plans to drill its Nasim No. 1 exploration well on Block 72. Nasim No. 1 will test prospects in the Qishn sandstones and in the Naifa carbonates. On Block 53, DNO is testing its Hekma-1 well, which was drilled to a TD of 3,715 m in the basement. During the second test, oil flowed at a rate of 800 b/d from Kholan sandstone (3,186-99 m MD) through 7-in. liner immediately above the basement. "Two additional tests are planned in the well; one combined tests of two Madbi sandstone intervals (3,022-30 m and 3,001-13 m), both interpreted as oil-bearing from wire line logs, and one test in the Madbi carbonate (2,919-30 m), which yielded good hydrocarbon shows while drilling," DNO said. On Block 53, DNO has suspended its Bayoot South No. 1 well, drilled at a TD of 3,106 m immediately south of Bayoot SW-1 and SW-2 to test a Madbi fan down-flank of the basement high. DNO added: "When drilling 8-1/2-in. hole to TD, the well started to flow oil, and heavy mud was needed to control the well. The well is now suspended awaiting supply of equipment to continue drilling and testing." The rig utilized to drill Bayoot South No. 1 will now be moved north to drill Balal No. 1, a Qishn prospect northeast of Sharyoof field. The Bayoot and Hekma structures are both located on a prospective basement-Madbi trend between Sunah field on Block 14 some 14 km to the southeast, and Kharir field on Block 10 some 15 km to the southwest. The Sunah and Kharir fields have proven to be the most successful basement producing fields in Yemen to date, DNO added. DNO is confident about the southern part of Block 53 following its drilling results. "Out of four recent wells drilled within this area, three wells have proven oil. Although tests to date have not yielded production rates at levels achieved from the shallower Qishn sandstones, higher production rates could be achieved through other drilling, completion and stimulation techniques," DNO said. Contact Uchenna Izundu at uchennai@pennwell.com.

    Online Articles

    Online Articles

    Fri, 29 Dec 2006

  2. SEC, industry discussion illuminates reserves reporting issues

    A recent industry meeting that attempted to clarify US Securities and Exchange Commission (SEC) reserves definitions focused on reservoir formation data and wireline flow testers as a substitute for full production tests , application of seismic to determine downdip hydrocarbon limits, pressure ...

    Magazine Articles

    Magazine Articles

    Mon, 23 Jun 2003

  3. Production testing begins at East Lost Hills gas project

    Operator Berkley Petroleum Corp., Calgary, has begun production tests of the East Lost Hills No. 1 well targeting deep gas in Southern California's San Joaquin basin. In early tests of a test program that will continue for several weeks, calculated gas flow rates increased to 12 MMcfd from 4 MMcfd ...

    Online Articles

    Online Articles

    Tue, 30 May 2000

  4. Lukoil starts production tests for Kandym early gas project in Uzbekistan

    Russian’s OAO Lukoil has started production tests of two gas treatment plants at the Northern Shady site and Kuvachi-Alat field in Uzbekistan’s Bukhara region as part of the Kandym early gas project (KEGP), which is being implemented together with state holding company Uzbekneftegaz.

    Online Articles

    Online Articles

    Fri, 15 May 2015

  1. FCP drills fourth well, tests third on Block 405b in Algeria

    Online Articles

    Online Articles

    Fri, 5 Sep 2003

  2. Petrobras starts production tests at P-52 platform

    Petroleo Brasileiro SA (Petrobras) on Nov. 23 began production tests at Platform P-52 in Roncador oil field in the Campos basin 125 km off Brazil.

    Online Articles

    Online Articles

    Mon, 26 Nov 2007

  3. Cheal-1 production test positive in New Zealand

    Indo-Pacific Energy Ltd., operator of the Cheal-1 well in the Taranaki basin—on the west coast of New Zealand's north island—initiated a successful production test of the well Oct. 20 (OGJ, Oct. 20, 2003, p. 47). Oil has flowed at an average of 70 b/d through a 5/8-in.choke to on-site production ...

    Online Articles

    Online Articles

    Fri, 7 Nov 2003

  4. Empire to launch an extended production test on Rough Range field

    Perth-based junior Empire Oil & Gas NL has been granted permission by the Western Australian Department of Minerals and Energy to commence an extended production test of the Rough Range 1B well for an initial period of 6 months. Rough Range field, in Carnarvon Basin near the town of Exmouth, was ...

    Online Articles

    Online Articles

    Mon, 16 Oct 2000

  5. LONG PRODUCTION TEST DUE OFF PHILIPPINES

    Alcorn (Production) Philippines Inc. plans an extended production test on its West Linapacan A prospect off Philippines to evaluate the structure's commercial potential. Alcorn's 1A West Linapacan well, drilled in 1,148 ft of water off Palawan Island, flowed 6,708 b/d late last year (OGJ, Dec. 24, ...

    Magazine Articles

    Magazine Articles

    Mon, 15 Apr 1991

  6. New Zealand: TAG to production -test two zones at Cheal wells

    TAG Oil Ltd. plans to production - test the Cheal E-1 and E-2 wells in New Zealand’s Taranaki basin starting in mid-October after logs indicated that each well encountered hydrocarbon-bearing strata in the Urenui and Mount Messenger formations, said East West Petroleum Corp., Vancouver, BC.

    Online Articles

    Online Articles

    Wed, 2 Oct 2013

  7. Production test due at Chinguetti appraisal off Mauritania

    The Woodside Petroleum Pty. Ltd.-led joint venture plans to production test the Chinguetti 4-5 appraisal/early development well on Block 4 in the Atlantic Ocean, a group participant reported.

    Online Articles

    Online Articles

    Thu, 18 Sep 2003

  8. OGJ Newsletter

    International news for oil and gas professionals

    Magazine Articles

    Magazine Articles

    Mon, 17 Feb 2014

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