Oil and Gas Analysis with Lonestar

At Owlstone, we have extensive experience of developing bespoke detection solutions for the Oil and Gas industry. Applications can be developed from scratch according to customer needs, as there are no compound-specific elements within the Lonestar system. Below are some examples of how the Lonestar is currently being put to use.

Amine Detection with Lonestar Amine Detection with LonestarA variety of amines may be found in oil and gas, both as constituents and as by-products of processes to remove H2S and/or CO2. Lonestar can detect the presence of amines in both crude oil and water backgrounds, allowing in-situ monitoring of concentrations throughout the treatment process. TOPGUARD is a trademark of Baker Hughes Incorporated.
Analyzing Eagle Ford Crude with Lonestar Analyzing Eagle Ford Crude with LonestarThe Eagle Ford Shale Play in Southern Texas is currently (October 2013) the second most productive oil field in the United States, producing some 1.07 million barrels per day . However, after extraction, hazardous levels of hydrogen sulfide may be present in the crude. H2S can be contained or removed with triazine-based scavengers, but leftover scavengers and the reaction byproducts can themselves cause corrosion and fouling downstream. Using the Lonestar portable analyzer, excess scavenger content in crude after treatment can be identified and quantified. For more details, see the Analysis of H2S Scavengers page.
Analysis of Organic Chlorides in Crude Oil Analysis of Organic Chlorides in Crude OilOrganic chloride contamination in crude oil can cause hydrochloric acid to be formed during hydrotreating. The hydrochloric acid then corrodes equipment through accumulation, and can be particularly damaging in crude tower overhead systems. For this reason, organic chloride levels should ideally be kept below 1ppm.
Carbonyl Sulfide in Propane Carbonyl Sulfide in PropaneCarbonyl sulfide is a contaminant in propane that can form corrosive hydrogen sulfide when it undergoes hydrolysis. This process has been implicated in corrosion and compliance-testing failures in the LPG industry. Using Lonestar, the presence of carbonyl sulfide in propane can be quickly identified.
Detecting Acetic Acid in Crude Oil Detecting Acetic Acid in Crude OilAcetic acid is used to prevent the formation and precipitation of naphthenate salts during crude oil separation and desalting. However, excess acetic acid can lead to high corrosion rates (~100mils/year compared to a normal rate of around 5mils/year), and can generate a high chemical oxygen demand in waste water treatment plants. There is therefore a need for rapid, on-site measurement of acetic acid levels.
Oil Assay - Methanol Analysis Oil Assay - Methanol AnalysisMethanol in crude oil impacts water treatment systems in refineries because bacteria involved in cleansing the water preferentially break down methanol, leaving hydrocarbons and toxins untreated. Methanol is miscible in water, so is present in the desalter effluent. Refineries often choose to cut crude runs rather than risk a "bug kill" - a large upset that would require major remediation and could cause violation of environmental legislation, permit excursions or future penalties.
Analysis of Scavengers for Sulfide (H2S) Removal from Crude Oil Analysis of Scavengers for Sulfide (H2S) Removal from Crude OilTriazine compounds are commonly used as scavenger chemicals to remove hydrogen sulfide (H2S) from crude oil, in a process sometimes called "stripping".  These triazine-based additives are often present in excess of the levels required to remove the H2S. The excess triazine, together with the by-products of the scavenging reaction with H2S, may cause corrosion and fouling in downstream equipment. Consequently, there is value in petroleum processors being able to quickly measure excess concentration of scavenger before custody transfer.