Field application of combined kinetic hydrate and corrosion inhibitors in the Southern North Sea: Case studies

A. W R MacDonald, M. Petne, J. J. Wylde, A. J. Chalmers, M. Arjmandi

Research output: Chapter in Book/Conference paperConference paper

5 Citations (Scopus)

Abstract

This paper details three field applications of combined low dose hydrate (LDHI) and corrosion inhibitor (CI) chemicals in different assets in the Southern North Sea (UKCS) gas producing area. The design and application philosophy is discussed as well as the criteria necessary to manage a safe and efficient chemical transition. The three fields all displayed mid-level degrees of sub-cooling (4-8°C) with operating pressures up to 70 bar with variable water breakthrough. Corrosion was severe in some cases with over 700 ppm of H2S production combined with 1.1 mol % CO2 in the produced gas. The paper goes onto describe the cost benefits of such applications including increased equipment efficiency, logistical savings of single chemical deployment and lower maintenance costs. In addition improved hydrate and corrosion control was achieved over the incumbent chemical. This approach achieved cost savings, including a saving of $3 million in the first year of application on one of the fields. Environmental benefits have also been realised with reduced chemical usage and discharge and improved environmental profile of the combined products when compared to the originally selected single application chemicals.

Original languageEnglish
Title of host publication2006 SPE Gas Technology Symposium: Mature Fields to New Frontiers
Pages76-81
Number of pages6
Volume2006
Publication statusPublished - 2006
Externally publishedYes
Event2006 SPE Gas Technology Symposium: Mature Fields to New Frontiers - Calgary, AB, Canada
Duration: 15 May 200618 May 2006

Conference

Conference2006 SPE Gas Technology Symposium: Mature Fields to New Frontiers
CountryCanada
CityCalgary, AB
Period15/05/0618/05/06

Fingerprint Dive into the research topics of 'Field application of combined kinetic hydrate and corrosion inhibitors in the Southern North Sea: Case studies'. Together they form a unique fingerprint.

Cite this