Misc

Question 1

Job failure due to.

Answer 1

Equipment, bulk pressure, water pressure, human error. Slurry failure, contamination, incorrect volumes.

Question 2

Channeling happens from

Answer 2

bad centralization, failure to move pipe, circulate, bad mud characteristics, no bottom plug, no spacer

Question 3

Conductor

Answer 3

Confines circ fluids and prevents washout

Question 4

surface

Answer 4

protects freshwater zones and unconsolidated formations.

Question 5

Intermediate

Answer 5

Breaks well into workable sections.
covers lost circulation zones
protects the hole from increased mud weight. can be used as production. weak zones and high pressure zones are here.

Question 6

Production casing

Answer 6

completes well for product
protects pay zones
pressure control
covers worn or damaged intermediate

Question 7

Reasons for stage cement

Answer 7

formation cant handle hydro
only small sections of the annulus need to be filled
thickening time is too short for placemet

Question 8

What is in Anadarkos Econocem Lead

Answer 8

CEMEX 1/2, poz, bentonite, fe2
silicalite
halad 344
econolite
HR5 (- 2070392/6 )

Question 9

Anadarkos Frac cem tail

Answer 9

cemex, poz, ckd, salt, ssa 1, halad 344, halad 23, sa 1015, hr 5. ( 2068351)

Question 10

Expanda Cem - BoCrk

Answer 10

G, poz, enhancer, silicalite, CRF3, halad 344, microbond, ssa 1, hr 5 (206731)

Question 11

Varicem Noble lead

Answer 11

G, G CKD, poz, econolite, lime, 344, 413, fe2, versaset, ssa1