Drilling

1. Rig move preparation Location survey Road Survey Preparation of advanced loads Administration (Rig move plan) Equipment Inspection 2.   Preparation of new location and camp 3.   Logistics Number of Cranes Number of truck loads Lowboy truck loads 4. Load dimensions and weight Description of loads in their sequence List of wide loads for convoy 5. Onshore Rig Move Plan – Table of Content

This article describes the basic Drilling Standards. The Drilling Department shall deliver a ‘fit for purpose’ wellbore, the criteria of which are: attainment of the required bottom hole position meet the planned trajectory without excessive dogleg security penetrate the reservoir without formation impairment provide hole conditions that allow attainment of high quality logs, RFT data, Drilling Standards

Responsibilities during drilling operations (drilling supervisor, drilling contractor, toolpusher, driller, drilling superintendent). Drilling Supervisor The Drilling Supervisor shall provide prior to any particular operation written instructions to the Drilling Contractor Toolpusher and service personnel. These instructions shall include but are not limited to: general sequence of programme events potential hazards contingency procedures in the event Responsibilities during drilling operations

Rig moves should be carried out by two Marine Personnel. Deviations from this rule can only be authorised by the Marine Manager. The Marine Manager, or his nominated deputy, shall supervise the actual move from the time that the rig is afloat until such time that the rig is pinned down at the new location Responsibilities during offshore rig moves

Drilling Contractor Inspection Requirements Prior to and during any rig equipment movement, the Drilling Contractor shall make inspections and checks on crane and support equipment condition eg., trucks, forklift etc., and proposed route conditions including bridges, bends, road gradients, road signs and villages. Single wide loads shall have the overhanging part on the right side Rig Move Inspection Requirements (Onshore Operations)

General Safety Procedure for Rig Moves Prior to moving the rig the Drilling Contractor shall address the following points: Wearing personal protective equipment is a must when walking around on location. As a minimum, the supervisors shall wear a hard hat and safety shoes. The crane drivers shall wear hard hats and safety shoes when Rig Move Planning (Safety and Review)

After completion of the drilling operation by the drilling rig, the well is suspended. The following possibilities exist: The well will be re-entered within a short period by the work over rig to install a completion. The duration varies from within one week to several months after rig release. The well will be re-entered by Site Restoration

Responsibilities for the implementation, supervision, verification and control of rig moves and site work are listed in the following table: Action Execution Quality Control Ensure adherence to highway regulations Transport Contractor Drilling Contractor Route planning Drilling Contractor Drilling Supervisor Communications Operator (Comms. Dept) Drilling Supervisor Load distribution Transport Contractor Drilling Contractor Escort and move supervision Responsibiliites for Rig Move, Site Preparation and Site restoration

Responsibilities (Planning, Supervision and Verification) during abandoment: Drilling Engineer The Drilling Engineer shall be responsible for preparing the Suspension or Abandonment Programme and for ensuring that: the final well status meets the statutory requirements regarding zonal isolation primary well control is in place and shall not deteriorate with time economical use is made of rig Responsibilities for Abandonment

This article describes the the QA/QC tests for Measurement While Drilling (MWD). 1. Surface Function Test The MWD tool shall be function tested at surface according to contractor procedures. Two tools should be prepared to ensure a back-up is ready in case the surface circulating test fails. Make-up and Alignment of Measurement While Drilling (MWD) Measurement While Drilling (MWD) – QA/QC