Drilling Fluid additives

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

I welcome your comments or corrections on any information stated here, this is a work in progressPlease email me photos of any other materials you have, or lend me samples if you have them

BJ Flex Sand(pure sample)

appears to be walnut shells with "oily" coatingused to plug perfs?

Calcarb(pure sample)

Powdered calcium carbonate ?

Calcarb flakes(pure sample)

Calcium flakes for lost circ?

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Calcium flakes(in cuttings)

Carbon(pure sample)

weighting material to lighten mud??)

Celophane(pure sample)

LCM

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Chicken Grit (calcium carbonate)(in cuttings,but in abundance)

Concrete(in cuttings)

seen when drilling out of casing settingwhen dissolved in 10% Hcl stains acid yellow

Fed seal(pure sample)

mixture of natural & synthetic fibreslooks like sawdust, some plastic??

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Floor Dry (diatomaceous earth?)(pure sample)

highly absorbant material

G Seal(pure sample)

Graphite, lubricant?

Gypsonite (Gipsonite?)(pure sample)

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Mica(pure sample)

usually see feldspar/ granitic mineralswhich are by-products of original source

Nutseal (walnut shells)(pure sample)

Poultry Grit(pure sample)

AKA Chicken gritlimestone, often fossiliferous

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Processed Lime(pure sample)

powder, usually white or very light colored

Quick Lime (calcium oxide)(in cuttings)

often seen in invert mud wellsused to absorb, reduce water contentsoluable in water, insoluable in petroleum-basedsolvents (I.e. diesel)

Brick (red)(picked from cuttings)

used as a lag marker in old wells

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Sawdust(picked from cuttings)

will look like carbonaceous/ coaly materialif overheated/burnt if dryed over heat source

Supercal(pure sample)

Calcium carbonate, finer ground

Vinseal(pure sample)

please help, not sure of compositionor application

Doug Hayden [email protected]

Photo Summary of Drilling Mud Additives (photo view at 20x unless noted otherwise)

Walnut shells(pure sample)

note different colors, texturesof interior vs outer part of shell

Weird spongy I

seen in 70's vintage well

any ideas?

Weird Spongy II

as above

Doug Hayden [email protected]