Surinam:
Total and Apache Make Significant Discovery in Block 58
2020/01/07 News
Paris, January 7, 2020 – Total and Apache have made a material oil discovery with the Maka Central-1 well on Block 58 offshore Surinam, on trend with the prolific discoveries in the adjacent Stabroek block in Guyana.
The Maka Central-1 well was drilled by a water depth of about 1,000 meters and encountered more than 123 meters net pay of high-quality light oil and gas rich condensate net pay, in multiple stacked reservoirs in Upper Cretaceous Campanian and Santonian formations. Further drilling and testing will be carried out to appraise the resources and productivity of the reservoir.
“We are very pleased with this first significant oil discovery, made just after our entry into Block 58. The result is very encouraging and proves the extension of the prolific world-class Guyana Cretaceous oil play into Surinam waters,” said Kevin McLachlan, Senior Vice President Exploration at Total. “We are optimistic about the large remaining potential of the area still to be discovered and will test several other prospects on the same block.”
The Maka Central-1 exploration well was drilled by Apache as operator with 50% working interest and with Total as the JV partner with 50% working interest. The next exploration well will be drilled on the Sapakara West-1 prospect and the operatorship will be transferred to Total after completion of a third exploration well.
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Apache and Total tally significant oil find offshore Suriname
1/7/2020HOUSTON – Apache and Total announced a significant oil discovery at the Maka Central-1 well drilled offshore Suriname on Block 58. The well was drilled using the drillship Noble Sam Croft with Apache as operator holding a 50% working interest and Total holding a 50% working interest.
Maka Central-1 successfully tested for the presence of hydrocarbons in multiple stacked targets in the upper Cretaceous-aged Campanian and Santonian intervals and encountered both oil and gas condensate. The formation evaluation program included logging-while-drilling and wireline logs, formation pressures, and preliminary core and fluid analysis. Together with future appraisal wells, this data will be used to quantify the resource in the Campanian and Santonian formations.
The shallower Campanian interval contains 50 meters (164 feet) of net hydrocarbon-bearing reservoir. Preliminary fluid samples and test results indicate light oil and gas condensate with API gravities between 40 and 60 degrees.
The deeper Santonian interval contains 73 meters (240 feet) of net oil-bearing reservoir. Preliminary fluid samples and tests results indicate API oil gravities between 35 and 45 degrees.
The Maka Central-1 also targeted a third interval, the Turonian, a geologic analogue to oil discoveries offshore West Africa. Prior to reaching this interval, the well encountered significantly over-pressured, oil-bearing reservoirs in the lower Santonian, and the decision was made to conclude drilling at approximately 6,300 meters (20,670 feet). The pressures encountered in the lower Santonian are a positive sign for the Turonian and future drilling will test this interval.
“We are very pleased with results from Maka Central-1. The well proves a working hydrocarbon system in the first two play types within Block 58 and confirms our geologic model with oil and condensate in shallower zones and oil in deeper zones. Preliminary formation evaluation data indicates the potential for prolific oil wells. Additionally, the size of the stratigraphic feature, as defined by 3-D seismic imaging, suggests a substantial resource,” said John J. Christmann, Apache CEO and President.
“Block 58 comprises 1.4 million acres and offers significant potential beyond the discovery at Maka Central. We have identified at least seven distinct play types and more than 50 prospects within the thermally mature play fairway. In partnership with Total, we look forward to advancing both exploration and development of discoveries on the block,” Christmann said.
The Sam Croft will drill the next wells in Block 58, starting with the Sapakara West prospect. Sapakara West-1, located approximately 20 kilometers (12 miles) southeast of the Maka Central discovery, will test oil-prone upper Cretaceous targets in the Campanian and Santonian intervals.