David Mullen
Chief Executive Officer at SHELF DRILLING, LTD.
Net worth: 276 816 $ as of 2024-05-30
Profile
David J.
Mullen is currently the Chief Executive Officer at Shelf Drilling International Holdings Ltd.
and Shelf Drilling Holdings Ltd.
He is also the Chief Executive Officer & Director at Shelf Drilling Ltd.
and the Chairman & Chief Executive Officer at Shelf Drilling (North Sea) Ltd.
Additionally, he holds the position of Senior Independent Director at Subsea 7 SA and Subsea 7 SA (Luxembourg).
Previously, he served as the Chief Executive Officer at Wellstream Holdings Ltd.
and Ocean Rig ASA. He also held positions at Transocean, Inc. and Schlumberger Oilfield Services, Inc. as Senior VP-Global Marketing & Business Development and President-South & North America, respectively.
Mr. Mullen received his undergraduate degree from Trinity College Dublin and his graduate degree from the National University of Ireland.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SUBSEA 7 S.A.
0.00% | 2023-12-30 | 15,000 ( 0.00% ) | 276 816 $ | 2024-05-30 |
David Mullen active positions
| Companies | Position | Start |
|---|---|---|
| SHELF DRILLING, LTD. | Chief Executive Officer | 2012-10-31 |
| SUBSEA 7 S.A. | Director/Board Member | 2018-04-16 |
| SHELF DRILLING (NORTH SEA), LTD. | Chief Executive Officer | 2022-10-05 |
Shelf Drilling Holdings Ltd.
 Shelf Drilling Holdings Ltd. Contract DrillingIndustrial Services Shelf Drilling Holdings Ltd. provides shallow water drilling services to the oil and gas industry in Asia, Africa and the Middle East. It engages in drilling and completion of exploratory and developmental offshore oil and natural gas wells. The firm's fleet consists of jack up rigs and swamp barges. The company was founded on November 30, 2012 and is headquartered in Dubai, the United Arab Emirates. | Chief Executive Officer | - |
Schlumberger Nigeria Ltd.
 Schlumberger Nigeria Ltd. Packaged SoftwareTechnology Services Part of SLB NV, Schlumberger Nigeria Ltd. is a Nigerian company that develops technologies. The company is based in Lagos, Nigeria. The CEO of the company is David J. Mullen. | Chief Executive Officer | - |
Shelf Drilling International Holdings Ltd.
 Shelf Drilling International Holdings Ltd. Contract DrillingIndustrial Services Shelf Drilling International Holdings Ltd. provides shallow water drilling services to the oil and gas industry. It offers standard jack-up rigs and swamp barges. The company was founded in 2012 and is headquartered in Dubai, United Arab Emirates. | Chief Executive Officer | - |
Subsea 7 SA (Luxembourg)
 Subsea 7 SA (Luxembourg) Engineering & ConstructionIndustrial Services Part of Subsea 7 SA, Subsea7 is a company based in Luxembourg, Luxembourg. Subsea7 is a leader in the delivery of offshore projects and services for the energy industry. The Luxembourger company enables the growth of renewables and emerging energy, creating sustainable value by delivering the offshore energy transition solutions the world needs, for today and tomorrow. Subsea7's local joint ventures and partnerships support sustainable development of the energy industry, creating lasting value for the people they work with and the places they work in. The company was founded in 1993, and John Evans has been the CEO of the company since 2020. | Director/Board Member | 2020-12-31 |
Former positions of David Mullen
| Companies | Position | End |
|---|---|---|
Wellstream Holdings Ltd.
 Wellstream Holdings Ltd. Oil & Gas PipelinesIndustrial Services Wellstream Holdings Ltd. designs and manufactures of bespoke flexible pipeline products. The company was founded in 1983 and is headquartered in Altrincham, the United Kingdom. | Chief Executive Officer | 2011-03-31 |
Ocean Rig ASA
 Ocean Rig ASA Contract DrillingIndustrial Services Ocean Rig ASA owns and operates drilling rigs. It specializes in offshore exploration, development, and production drilling in deepwater. The company has two drilling rigs, Leiv Eiriksson and Eirik Raude. Ocean Rig serves oil companies. The company was founded in 1996 and is headquartered in Stavanger, Norway | Chief Executive Officer | 2010-08-06 |
| ░░░░░░░░░░░ ░░░░ ░░░░░ | ░░░░░ ░ ░░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░░░░ ░░░░░░░░ ░░░░░░░░░ ░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░░ ░░░░ | ░░░░░ ░ ░░░░░░░░░ | - |
Training of David Mullen
| Trinity College Dublin | Undergraduate Degree |
| National University of Ireland | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 6 |
|---|---|
| SCHLUMBERGER LIMITED | Industrial Services |
| TRANSOCEAN LTD. | Industrial Services |
| SUBSEA 7 S.A. | Industrial Services |
| SEA1 OFFSHORE INC. | Transportation |
| SHELF DRILLING, LTD. | Industrial Services |
| SHELF DRILLING (NORTH SEA), LTD. | Industrial Services |
| Private companies | 8 |
|---|---|
Transocean, Inc. /Old/
 Transocean, Inc. /Old/ Contract DrillingIndustrial Services Transocean, Inc. provides offshore contract drilling services for oil and gas wells. The company also provides integrated services. It operates through two segments, Transocean Drilling and TODCO. The Transocean Drilling segment consists of floaters, jackups and other rigs used in support of offshore drilling activities and offshore support services. The TODCO segment consisted of its interest in TODCO, which conducts jackup, drilling barge, land rig, submersible and other operations in the United States. Transocean, Inc. is based in Houston, Texas. | Industrial Services |
Wellstream Holdings Ltd.
Wellstream Holdings Ltd. Oil & Gas PipelinesIndustrial Services Wellstream Holdings Ltd. designs and manufactures of bespoke flexible pipeline products. The company was founded in 1983 and is headquartered in Altrincham, the United Kingdom. | Industrial Services |
Ocean Rig ASA
Ocean Rig ASA Contract DrillingIndustrial Services Ocean Rig ASA owns and operates drilling rigs. It specializes in offshore exploration, development, and production drilling in deepwater. The company has two drilling rigs, Leiv Eiriksson and Eirik Raude. Ocean Rig serves oil companies. The company was founded in 1996 and is headquartered in Stavanger, Norway | Industrial Services |
Schlumberger Oilfield Services, Inc.
 Schlumberger Oilfield Services, Inc. Oilfield Services/EquipmentIndustrial Services Schlumberger Oilfield Services, Inc. provides oilfield exploration services. The firm offers coiled tubing, drilling, well testing, and seismic services. The company is headquartered in Sugar Land, TX | Industrial Services |
Schlumberger Nigeria Ltd.
Schlumberger Nigeria Ltd. Packaged SoftwareTechnology Services Part of SLB NV, Schlumberger Nigeria Ltd. is a Nigerian company that develops technologies. The company is based in Lagos, Nigeria. The CEO of the company is David J. Mullen. | Technology Services |
Shelf Drilling International Holdings Ltd.
Shelf Drilling International Holdings Ltd. Contract DrillingIndustrial Services Shelf Drilling International Holdings Ltd. provides shallow water drilling services to the oil and gas industry. It offers standard jack-up rigs and swamp barges. The company was founded in 2012 and is headquartered in Dubai, United Arab Emirates. | Industrial Services |
Shelf Drilling Holdings Ltd.
Shelf Drilling Holdings Ltd. Contract DrillingIndustrial Services Shelf Drilling Holdings Ltd. provides shallow water drilling services to the oil and gas industry in Asia, Africa and the Middle East. It engages in drilling and completion of exploratory and developmental offshore oil and natural gas wells. The firm's fleet consists of jack up rigs and swamp barges. The company was founded on November 30, 2012 and is headquartered in Dubai, the United Arab Emirates. | Industrial Services |
Subsea 7 SA (Luxembourg)
Subsea 7 SA (Luxembourg) Engineering & ConstructionIndustrial Services Part of Subsea 7 SA, Subsea7 is a company based in Luxembourg, Luxembourg. Subsea7 is a leader in the delivery of offshore projects and services for the energy industry. The Luxembourger company enables the growth of renewables and emerging energy, creating sustainable value by delivering the offshore energy transition solutions the world needs, for today and tomorrow. Subsea7's local joint ventures and partnerships support sustainable development of the energy industry, creating lasting value for the people they work with and the places they work in. The company was founded in 1993, and John Evans has been the CEO of the company since 2020. | Industrial Services |
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