I Nyoman Yudha D. Y. has over 13 years of experience in the petroleum industry as a mud engineer, working on both onshore and offshore rigs in various countries. He has worked on exploration and development wells for companies such as Halliburton, MI-SWACO, Anadarko, BG, Statoil, Total, ExxonMobil, BP, and Medco, gaining experience with different mud systems and drilling conditions, including deep water wells over 2500m. He holds a Bachelor's degree in Geology from Padjadjaran University in Indonesia.

1. I NYOMAN YUDHA D. Y.
Jl. Pendidikan Gg. Grahawisata No.18
Denpasar 80224, Bali, Indonesia.
Phone: (+62) 8122000033
Email: yudh4_94@yahoo.com
Thirteen years experience in Petroleum Industry and nine years experience as Mud Engineer in various rig both on shore
and off shore. I am familiar with drilling operation both on shore/off shore, and have experienced in many deep water
drilling projects.
Worked as coordinator in several project over Tanzania and Mozambique area, preparing drilling fluids programs, provide
logistic forecasting, running hydraulic simulation prediction and provide technical support.
CAREER HISTORY:
2012 – June 2015: Drilling Fluids Engineer, Baroid Halliburton PRL East Africa.
2011 ‐ 2012: Mud Engineer – Consultant, MI‐SWACO, Congo.
2005 ‐ 2011: Drilling Fluid Engineer (Mud Engineer) Baroid‐Halliburton Indonesia
2003 ‐ 2005: Mud Logger Geoservices Indonesia
2001 ‐ 2003: Geologist – GeoInti Indonesia
OIL FIELD EXPERIENCES:
December 2014 – June 2015
Work as Drilling Fluids Engineer for ANADARKO project, Exploration Well,
Mozambique
Well: Tubarou Tigre ‐ 1 (Water depth: 876m), GO1 GAOL (Water depth: 1061m), GO2 GBOU (Water depth: 1145m), GO3
GCOL (Water depth: 929m), GO4 GDOL (Water depth: 1065m), GO5 and GO6.
Mud System : Water Base Mud (Pad Mud‐Prehydrated Gel), Synthetic Oil Base Mud (Enviromul).
February 2014 ‐ November 2014
Work as Drilling Fluids Engineer for BG project, Exploration Well,
Kenya and Tanzania
Well: Sunbird ‐ 1 (Water depth: 748m), Taachui ‐ 1 drilling and DST (Water depth: 1022m), Kamba ‐ 1 (Water depth:
1402m), Mzia – 3 ST Re‐entry drilling and DST (Water depth: 1803m)
Mud System : Water Base Mud (Pad Mud‐Prehydrated Gel), Synthetic Oil Base Mud (Enviromul), Filtered CaCl2 Brine.
July 2013 ‐ February 2014
Work as Coordinator (Technical Professional) in town for Statoil project, Exploration Well,
Tanzania
Well: Mronge – 1 (Water depth: 2538m), Zafarani – 2 DST (Water depth: 2417m)
Mozambique
Well: Buzio ‐ 1 (Water depth: 1562m)
Mud System : Water Base Mud (Pad Mud‐Prehydrated Gel), Synthetic Oil Base Mud (Enviromul)
2012 ‐ 2013
Work for Statoil project, Exploration Well,
Tanzania
Well: Lavani – 2 (Water depth: 2605m), Zafarani – 2 (Water depth: 2414m), Tangawizi – 1 (Water depth: 2292m)
Mozambique
Well: Cachalote ‐ 1 (Water depth: 2279m)
Mud System : Water Base Mud (Pad Mud‐Prehydrated Gel), Synthetic Oil Base Mud (Enviromul)

2.
2011 ‐ 2012
Worked for Total Congo Project, Exploration Well
Well: NKBM – 1 (Water depth: 395m), LKLM – 1 (Water depth: 112m), NKSPM – 1 (Water depth 266m), SEF 3‐05, SEF 3‐07
Mud System: Pad Mud, Versaclean (Non Aquaous Base Mud), Completion Fluids (Clean out pills train, 1.48sg CaCl2/CaBr2
brine, 1.26sg CaCl2 brine).
Rig: Transocean Sedneth – 701 Semi Submersible. Bass Drill Alpha Barge Tender Rig.
Worked for Exxon Mobil – PT. IndoBarambai, Coal Bed Metane Well, Banjarmasin, Indonesia
Well: B 2.4.2. ; B 1 8.1. ; B 1 8.2. Rig: Apexindo‐14
Mud System: CoalDril NE water base mud.
Drilling Issue: very reactive clay, drill thru coal layer with the partial loss, coring coal layer on the fly, zero discharge,
completion.
Worked for Medco E & P, Re‐drill, Completion & Development Well, Muara Enim, Sumatera, Indonesia.
Well: Singa # ST 1 (High Pressure and High Temperature well, MW used up to 17.5ppg)
Mud System: Syntetic Oil Base Mud, Clean up pill and packer fluids.
2009‐ 2010
Worked for ExxonMobil, Drilled 7 Wild Cat/Exploration Deep Water Wells.
4 Wild cat/Exploration Well Drilling, South Sulu Philippines.
Well: Banduria‐#1, Dabakan#1, Palendag#1, Babendil#1 (Water depth 1600m to 2000m).
3 Wild cat/Exploration Well, Surumana Makassar Strait Indonesia.
Well: Rangkong#1, Sultan‐#1, Kris#1 (Water depth 2000m to 2500m)
Mud System : Water Base Mud ( Calcium Chloride Pad Mud‐Prehydrated Gel), Synthetic Mud (Invermul)
Rig : Sea Drill West Aquarius‐Semi Submersible Deepwater Rig
Drilling Issue: Riser less Drilling, Major losses drilling carbonate formation, Gunk squeeze method and strip drilling practice
/ blind drilling method, handling big volume of mud.
2008 ‐2009
Worked for BP Tangguh Indonesia, Completion & Development Well Drilling ‐Offshore project,
Bintuni Papua Indonesia. Well: VRA‐1, VRA‐2, VRA‐3, VRA‐4, VRA‐5, VRA‐6
Mud System: Water Base Mud (KCL‐Polymer, Sea water sweep and Mud cap strategy in loss Zone) Oil Base Mud (Inovert)
Rig: Ensco‐104 Jack up Rig
Drilling Issue: drilling in the total loss carbonate formation. Build Lubricity pill to reduce Friction in the blind drilling.
Well bore clean up and completion, provide quality control to get high quality completion fluids for optimum lifetime well.
2007‐2008
Worked for BP Tangguh Indonesia, Development Well Drilling‐Offshore project, Bintuni Papua Indonesia.
As Liquid Mud Plan Super Visor, treated Oil Base Mud coming from the rig. Manage and arrange support to rigs such as
logistic, chemicals, and bulk stock, including laboratory test.
2006 ‐2007
Worked for Medco E&P, Development well‐on shore project and Completion Project, Tiaka‐Sulawesi Indonesia.
Mud System: Water Base Mud (KCL‐Polymer) & KCL Brine and Packer Fluid
Rig: Apexindo‐02 Land Rig

3. 2005 ‐2006
Worked for Medco E & P Indonesia, Development Well‐Onshore project, Indonesia.
Mud System: Water Base Mud (KCL‐Polymer/PHPA)
Rig: Various rig/location in Sumatera and Kalimantan.
2005 ‐2005
Worked for Total Indonesie, Tunu Field Balikpapan Indonesia.
Mud System: Water Base Mud (KCL‐Polymer) ‐ Oil Base mud (INVERMUL)
Pendingin LMP
RELATED SCHOOLS ATTENDED:
DFG+
Baroid Hydraulic Analysis Program Course ‐ Houston Texas
Deepwater Technology – Houston Texas
Block I Training – Houston Texas
Baroid Wellsight 2000 and DFG
Baroid Mud School, Jakarta Indonesia
HUET and Sea Survival – Cilegon Indonesia
Basic Mud logging ‐ Jakarta, Indonesia
MUD ENGINEERING EXPERIENCE:
Gas Hydrate, Drilling Carbonate Formation, Curing Loss Circulation, Well Control, Freeing Stuck Pipe
Treating Mud Contaminants, Multiple Spacer Displacements, Deep High Pressure/High Temp Wells
Shale Problem/Gumbo, H2S/Corrosion Problem
EXPERIENCED IN THE FOLLOWING MUD TYPES:
Versaclean, Reverse Gunk Squeeze, Lignite Lignosulfonate, Oil/Syntetic Base Mud (INVERMUL‐INOVERT)
PHPA Mud System, Lime Mud, DRIL‐N Fluids, Thermadril (High Temp. Polymer)
Kcl/Polymer, Gel/Lignite Mud, KCL/Polymer/Glycol, Polynox/KLM Mud, Completion Fluids
COMPLETION/WORKOVER FLUID EXPERIENCE:
Mixed and filtered brines, Displacement, Corrosion Control, Deepening Wells
EDUCATION:
Bachelor degree in Geology from Padjadjaran University, Bandung, Indonesia. GPA 3.03 of 4. Graduated on May 2000.
PERSONAL DETAILS:
Date of Birth: 27th September 1976.
Language: English, and Indonesia
Marital Status: Married.
Driving License: Full and clean.
INTERESTS:
Football, Painting, Carving.

4.
REFERENCES CONTACT:
• Stian Chapman (Baroid East Africa Technical Manager), contact: Stian.Chapman@Halliburton.com
• Duncan Garden (Principal Technical Professional ), contact: Duncan.garden@Halliburtom.com
• Glenn Higginbotham (Baker Hughes Deep Water Project Supervisor), contact: higggle@yahoo.com
• Ron Westernburg (Senior Deep Water Drilling Fluids Engineer), contact: rwestenbur@aol.com
• John Kenny (Senior Drilling Fluids Engineer), contact: johnkenny_hk@yahoo.com
• Arief Aryanto (ExxonMobil Company Representative), contact: Arief.Aryanto@exxonmobil.com