Oil & Gas Development Company Limited (OGDCL) Invitation to E-Bid through SAP-Ariba Discovery. 1. Supply of Mechanical Seals OGDC-SCM-LD-PT-PNP-UCH-325591943-2026 - Closing 16.07.2026 at 1130 HRS. Extension: 2. Seismic Data Acquisition of KOHLU-2D Project OGDC-SCM-SERVICES-CB-EXPL-319308903-2026 - Revised Closing 03.07.2026 at 1030 HRS, 3. Pre-Qualification of Contractors for Transportation of Barite Powder OGDC-SCM-SER-PQ-DS-322094359-2026 - Revised Closing 13.07.2026 at 1030 HRS. Bidders who submitted proposals may take them back and re-submit. All bids opened 30 minutes after closing. Tender documents at www.ppra.org.pk. Bids submitted online through https://ogdcl.com/sap-ariba-tenders or https://discovery.ariba.com/profile/AN01562899621. General Manager (Supply Chain Management), OGDCL Headquarters, Jinnah Avenue, Blue Area, Islamabad. Tel: +92 (51) 920023652/3780. No. 311/71