MLchartDataset catalogue

Mf

Term · Oil and gas · MLC-T-OAG-002344

The methyl orange alkalinity of a mud filtrate, found by titrating a filtrate sample with 0.02 N sulfuric acid until the methyl orange endpoint near pH 4.3 is reached. It is reported as millilitres of acid per millilitre of filtrate and includes the acid already used to reach the phenolphthalein endpoint, so Mf is never smaller than Pf. Together with Pf it gives an estimate of the hydroxide, carbonate and bicarbonate content of the filtrate.

Table 1. Record
IdentifierMLC-T-OAG-002344
FieldOil and gas
SubjectDrilling Fluids
Record as JSON 
{
  "id": "MLC-T-OAG-002344",
  "term": "Mf",
  "field": "Oil and gas",
  "definition": "The methyl orange alkalinity of a mud filtrate, found by titrating a filtrate sample with 0.02 N sulfuric acid until the methyl orange endpoint near pH 4.3 is reached. It is reported as millilitres of acid per millilitre of filtrate and includes the acid already used to reach the phenolphthalein endpoint, so Mf is never smaller than Pf. Together with Pf it gives an estimate of the hydroxide, carbonate and bicarbonate content of the filtrate.",
  "subject": "Drilling Fluids",
  "url": "https://mlchart.com/terminology/oil-and-gas/mf/"
}

Record 2,501 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.