Rig: Jindal Discoverer

Name Jindal Discoverer
Owner Jindal Drilling & Industries Ltd
Manager Jindal Drilling & Industries Ltd.
Rig Type Drillship
Sub Type Midwater Floater
Jackup Type --
Max Water Depth (ft) 1500
Max Drill Depth (ft) 20000
Dimensions (ft) 380 x 69 x 25
Leg Length (ft) --
Competitive Yes

Current Location

Country Malta
Region Southern Europe

Drilling Equipment

Drawworks Type Continental Emsco C2 Type II
Drawworks HP 800
Mud Pumps Type Continental Emsco; National Oilwell Varco FA-1600 Triplex; FD-1600 Triplex
Top Drive National Oilwell Varco TDS-3
Hookload Capacity (lbs) 1330000

Rig Construction Details

Rig Design Offshore Company
Rig Model Discoverer Class
Year Built 1976
Country of Build Japan
Yard Name Tamano Shipyard
Group Yard Name Mitsui Engineering & Shipbuilding Co., Ltd.

Rig Contract Details

Operating Status Ready Stacked
Operator --

News

26 Aug 2014

Circle Oil announces discovery in Tunisia

Circle Oil Plc (Circle), the Middle East and Africa focused oil and gas exploration, development and production company, is pleased to announce the preliminary results of drilling of the well EMD-1 in the Mahdia Permit, offshore Tunisia. The El Mediouni-1 well (EMD-1) is located within the north central area of the Mahdia Permit in a water depth of 240 metres, 120 km east of the port of Sousse. EMD-1 was spudded on 8th June 2014 and drilled to a TD of 1,200 metres MD in the Upper Ketatna carbonates. The stratigraphy encountered in the well was exactly as prognosed and very good light oil shows were encountered both in the Lower Birsa carbonate primary target and the Upper Ketatna carbonates secondary target over a combined interval of 133 metres. The strong hydrocarbon indications encountered in the Birsa and Ketatna carbonates confirm the existence of a working petroleum system in the Mahdia Permit for this and other prospects. The robustness of the El Mediouni trap has also been proven. The losses incurred within the target formations, as described below, give further confirmation of high quality permeability. The gross oil zone interval in the Lower Birsa is 77 metres and the Upper Ketatna has a minimum interval of 48 metres, subject to confirmation by logs. Using known reservoir and fluid parameters from equivalent formations in the Gulf of Hammamet, the internally estimated most likely recoverable prospective resources discovered by the EMD-1 well are approximately 100 MMBO. During the drilling of the target carbonates, severe mud losses occurred and multiple remedial operations to restore circulation were performed. This included the pumping of numerous CaCO3 pills, conventional lost circulation material and large volumes of sea water. The hole conditions in the well deteriorated rapidly and multiple attempts at open hole logging by wireline and tough logging conditions equipment failed. Ultimately the decision was taken to terminate further efforts and suspend the well. Circle Oil has been granted a six month extension to the Mahdia permit to January 2015. It then has the right to elect for two additional renewals of the permit for 3 years each with a commitment of one well per period.

9 Jun 2014

'Petrosaudi Discoverer' spuds the EMD-1 well

Circle Oil Plc (COP), the Middle East and Africa focused oil and gas exploration, development and production company, is pleased to announce the commencement of drilling of the well EMD-1 on the offshore Mahdia Permit using the drillship ‘PetroSaudi Discoverer’. The well is located within the vicinity of many producing fields, including the Tazerka, Birsa, Oudna, and Halk El Menzel oil fields, and the Maamoura gas field. The well is planned to test the play potential of the El Mediouni prospect, including the primary Birsa Sands target and the secondary fractured carbonates of the Ketatna Formation. The Birsa Sands alone have a management pre-drill P50 estimate of 185 MMbo STOOIP. The primary target, the Birsa Sands, is expected at 1,260 metres MD with the Ketatna Carbonates at 1,460 metres MD. The management view on the recoverable prospective resources estimate for the El Medouini prospect is 46 MMbo for the Birsa Sands objective alone. This is substantially larger than the recoverable commercial threshold for the area which stands at approximately 10 MMbo. Depending on progress rates the well is expected to take approximately 5-7 weeks to drill.

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