FREDY HERNANDEZ BOLAINA

• Roughneck in Rig-Up and Rig-Down of land drilling rigs.
• Technical visit to the different oilwell locations.
• Job Safety Analysis.
• Elaboration of DTI programs for land drilling Rig.
• Support in alignment activities from crown to rotary table, Rig leveling.
• Analysis of drilling equipment installation as well as providing installation proposals in the different oilfields.
• Technical visit to the locations (location of backfill, compaction tests, Rig sizing on site).
• Drawing of installation layouts for land drilling rigs (2000HP-3000HP).

Reference: Enrique Alejandro Ulloa Zamarripa.

Mexoil Supervisor.

(+52) 993 177 75 81.

• Performed Drill pipe and casing adjustments.
• Calculation of internal and annular volume.
• Hydraulic calculations of mud pumps and drilling fluids.
• Analysis of operations in each drilling stage.
• Monitoring of casing running activities.
• Operation of drilling console conditioned with Top Drive on conventional drilling equipment (IDECO 2000HP).

• Driller's assistant.
• Support in sliding and cutting of work cable.
• Monitoring BHA set changes (Navigable, packaged and rotary).
• Monitoring of drilling parameters.

• Layout and mark areas of land drilling rig components (500HP-3000HP).
• Installing and setting up components (structural, mechanical and electrical).
• Support in conditioning of drilling console (conventional equipment).
• Support in transmission adjustment in main winch.
• Support in installation and connections of hydraulic jacks to lift/hoist mast and substructure in NOV 1500HP and DRILLMEC 1500HP equipment.
• Support in the stropping of drilling rig components.
• Work on the drilling floor.
• Support in mechanical activities.

Reference: Félix Vega Cortes.

PEMEX Supervisor.

(+52) 933 104 10 15.

• Investigate new technologies of drilling fluids.
• Compilation of information and synthesize the most relevant.
• Analyze information about drilling fluid additives used for differential sticking and cake removal.
• Send information to database.