MLchartDataset catalogue

VAMA

Term · Oil and gas · MLC-T-OAG-004490

A copolymer of Vinyl Acetate and Maleic Anhydride used as a high-temperature fluid-loss control additive in water-based drilling fluids. VAMA polymers are effective at reducing filtration into permeable formations by creating a thin, low-permeability filter cake on the wellbore wall. They are particularly suited for deep, hot wells where other additives like starch or cellulose degrade, remaining functional at temperatures exceeding 200°C (400°F).

Table 1. Record
IdentifierMLC-T-OAG-004490
FieldOil and gas
SubjectDrilling Fluids
Record as JSON 
{
  "id": "MLC-T-OAG-004490",
  "term": "VAMA",
  "field": "Oil and gas",
  "definition": "A copolymer of Vinyl Acetate and Maleic Anhydride used as a high-temperature fluid-loss control additive in water-based drilling fluids. VAMA polymers are effective at reducing filtration into permeable formations by creating a thin, low-permeability filter cake on the wellbore wall. They are particularly suited for deep, hot wells where other additives like starch or cellulose degrade, remaining functional at temperatures exceeding 200°C (400°F).",
  "subject": "Drilling Fluids",
  "url": "https://mlchart.com/terminology/oil-and-gas/vama/"
}

Record 4,256 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.