Dowell Schlumberger International Inc
Schlumberger is the leading oilfield services provider, trusted to deliver superior results and improved E&P performance for oil and gas companies around the world. Through our well site operations and in our research and engineering facilities, ...
36 Changi North Crescent Singapore 499620
+65-6511-5400
+65-6511-5401
OES Oilfield Services Singapore Pte Ltd
152 Mariam Way #04-04 Singapore 507080
+65-6545-4487
+65-6545-4376