The objective of this article is to describe minimum requirements for planning, drilling, and testing HP or HT wells and highlights the areas of concern that need extensive consideration when drilling HP or HT wells.  DEFINITION There are different definitions of what comprises an HP/HT well: one of the most common used by major operators … HPHT Wells – Standards

Minimum standard and general practices for carrying out operations in presence of H2S. 1. In general for oil and gas tubular selection, a sour environment is defined if H2S partial pressure > 0.05 psi and is H2S found on a: a. Low pressure gas well (P < 5 bar) b. Low pressure oil wells (< … H2S Standards

Management of change process to be implemented and used when determining and agreeing the value and impact of any change which may occur during Well Operations (Drilling / DST / Completions / Interventions) and also documents. 1. PURPOSE This Change Management process is applicable to all changes and deviations for all well operations activities including: … Mangement of Change Standards

Shallow gas is defined as the gas encountered at such a depth that shut- in of the well cannot be carried out due to the potential for break down of the conductor shoe.This document provides the minimum requirements for operations (onshore and offshore) in areas with a high risk of shallow gas. A detailed procedure … Shallow Gas Standards

This document provides the minimum standards and general practices for selection and management of drilling fluids. A. GENERALITIES 1. A Fluids Programme shall be produced for each well and a summary included in the Well Programme. 2. Consideration shall be given to the toxicological and environmental properties of all drilling, completion and cementing fluid additives … Drilling Fluids Standards

This document describes typical minimum cementing standards and practices that enable the planning, successful execution and evaluation of cementing operations. 1. The Well Programme shall incorporate a cementing programme, which shall include as a minimum: a. Planned tops of cement and justification. b. Cement slurry and spacer design and recipes. c. Theoretical thickening time that … Cementing Standards

This article outlines the minimum barriers requirement for any Well Operations to ensure that at any moment during any well operation, the minimum numbers of barriers are in place to prevent any uncontrolled flow from the well. This applies to all potential flow paths including annuli and control lines. 1 GENERALITIES 1. Wells and associated … Barriers Standards

This document outlines the testing requirement for barriers in Well Operations. 1 INTRODUCTION Actual pressure test requirements and values will be stated and documented in the Well Programme. HSEQ planning, management and execution, onshore and offshore, recognise pressure testing as a safety critical activity. Pressure testing shall be subject to the operating regulations of the … Pressure Testing Standards

This article describes the standards for Drillpipe and Bottom Hole Assembly (BHA). Pipe Tally Requirements Master Drillpipe Tally Book The master drill pipe tally book shall be kept by the Driller in the dog-house and in the Tool Pusher office. This is to be updated every tour. Both the drill pipe single and stand columns … Drillpipe and Bottom Hole Assembly – Standards