Referanser - Klima
Referanser - Klima
Referanser - Klima
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10.3 Vannbasert Borevæske of andre kjemikalier<br />
Application/ Incident Chemical/ Product-name Main components Recommended use Env. Status Risk Scenario if not used<br />
Stuck pipe in well during Koplus LL Dinatrium-pyrofosfat A pill of 8 m3 or sufficient PLONOR Stuck pipe may cause severe<br />
drilling with WBM<br />
(WBM) Kaliumklorid<br />
volume to cover the stuck<br />
operational problems, and<br />
Sitronsyre monohydrat area, is pumped to release<br />
pipe<br />
classed as a serious incident<br />
Lost Circulation Check Loss / Check Loss Plus Cellulose fibre If expected LC, this product PLONOR Lost circulation is a serious<br />
may be added as a precaution<br />
incident, and may lead to lost<br />
2-10 kg/m3 or as a pill with 20-<br />
40 kg/m3<br />
well control.<br />
Lost Circulation Calcium Carbonate/ Solu- Sized CaCO3 If expected LC, this product PLONOR Lost circulation is a serious<br />
Flake / Fordacal / FlowCarb<br />
may be added as a precaution<br />
incident, and may lead to lost<br />
(all grades)<br />
2-10 kg/m3 or as a pill with 20-<br />
40 kg/m3<br />
well control.<br />
Lost Circulation Milmica / Mica Mica flakes If expected LC, this product PLONOR Lost circulation is a serious<br />
(all grades)<br />
may be added as a precaution<br />
incident, and may lead to lost<br />
2-10 kg/m3 or as a pill with 20-<br />
40 kg/m3<br />
well control.<br />
Lost Circulation Milplug / NutPlug Nut shells If expected LC, this product is PLONOR Lost circulation is a serious<br />
(all grades)<br />
pumped as a pill with 20-40<br />
incident, and may lead to lost<br />
kg/m3<br />
well control.<br />
H2S gas in mud Ironite Sponge Iron oxide, Fe3O4 2-4 kg/m3 PLONOR H2S gas in mud may cause<br />
severe human risk to exposed<br />
personnel<br />
Foaming in mud W-333N Butoxy Etoxy etanol /<br />
Ester<br />
Contamination in mud rising<br />
pH>10<br />
1-4 kg/m3 Yellow Foaming in mud may cause<br />
hazardous working<br />
environment in shaker room<br />
and reduced well control<br />
Sodium Bicarbonate Sodium Bicarbonate 1-3 kg/m3 PLONOR High pH in mud may break<br />
viscosity, which will destroy<br />
mud properties and pose risk<br />
to exposed personnel<br />
pH increase >10 Citric acid Citric acid 1-3 kg/m3 PLONOR High pH in mud may break<br />
viscosity, which will destroy<br />
mud properties and pose risk<br />
to exposed personnel<br />
LCM/seepage losses (bridging) LC-Lube Graphite 3-12 kg/m3 PLONOR Lost circulation is a serious<br />
incident, and may lead to lost<br />
well control.<br />
High levels of oxygen in mud Noxygen / W-331NL Ammonium-hydrogensulphite<br />
0,2 kg/m3 Yellow Oxygen may degrade the<br />
polymers in the mud and<br />
destroy mud properties, and<br />
various serious scenarios may<br />
occur<br />
Lost Circulation ULTRA PLUG Inorganic minerals 170 kg/m3 Yellow Lost circulation is a serious<br />
Complete loss (5-10m3 pill)<br />
incident, and may lead to lost<br />
well control.<br />
Lost Circulation ULTRA PLUG Accelerator Inorganic minerals 60 kg/m3 PLONOR Lost circulation is a serious<br />
Complete loss (5-10m3 pill)<br />
incident, and may lead to lost<br />
well control.<br />
Lost Circulation ULTRA PLUG Retarder Inorganic minerals 30 kg/m3 PLONOR Lost circulation is a serious<br />
Complete loss (5-10m3 pill)<br />
incident, and may lead to lost<br />
well control.<br />
Lost Circulation Gunk Squeeze Wyoming Bentonite 300 kg/m3 PLONOR Lost circulation is a serious<br />
Complete loss (WBM) Base Oil 8 m3 Yellow<br />
(5-10m3 pill)<br />
High torque and drag Lube-622 Lubricant 2-3% of circulation volume Yellow<br />
incident, and may lead to lost<br />
well control.<br />
High torque reduces ROP and<br />
risk of serious incidents if pipe<br />
get stuck.<br />
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