In oil and gas industry operations, scale deposition on the surface and subsurface
production equipment can cause different problems such as formation damage, loss in …

Chelating agents show very effective performance in different applications in the upstream
oil and gas industry. This study presents a critical review of the application of chelating …

Iron sulfide scale is one of the main types of inorganic scales that block oil and gas wells.
Iron sulfide has polymorph crystallinity structures, which complicate its dissolving and …

Iron Sulfide scale is a significant problem in oil and gas industry where the iron sulfide
depositions have adverse impact to the production operations. Typically, iron sulfide scale …

In the Changqing area, over 23.6% of gas wells produce less than 0.1× 104 m3/d of gas
daily, posing a challenge to gas field sustainability. Laboratory analysis of scale samples …

Iron sulphide scale, which exists in different forms, is common in sour oil and gas production
wells. Iron sulphide hard scales are difficult to remove with acids, requiring mechanical …

Iron sulfide scale is a significant problem in the oil and gas industry and it is a common scale
in sour oil and gas wells. Iron sulfide depositions have an adverse impact to production and …

Iron sulfide scale is a common problem in the oil and gas industry. The precipitation of the
iron sulfide scale on the well completion tools or inside surface flow lines restricts the flow of …

Oilfield iron sulfide (FeS) control and prevention have been mostly proprietary with several
disparate solutions. Frequently FeS control involves milling, jetting, acid soaking, pulling and …

Iron sulfide (FeS), zinc sulfide (ZnS), and lead sulfide (PbS) are considered to be among the
most challenging scales in terms of inhibition and removal. They can form by the direct …