BP accuses Halliburton over Gulf of Mexico oil spill

US contractor destroyed evidence about possible problems with cementing of Macondo well before disaster, allege court papers

BP has accused Halliburton of destroying damaging evidence relating to last year's Gulf of Mexico oil spill.

In a court filing, BP has alleged that the US oil services firm of intentionally destroying evidence about possible problems with its cement slurry poured into the deep-sea Macondo well about 100 miles (160 km) off the Louisiana coast. An oil well must be cemented properly to avoid blowouts.

Also in the documents filed in a New Orleans federal court, BP accuses Halliburton of failing to produce incriminating computer modelling evidence.

BP asked a US judge to penalise Halliburton and order a court-sponsored computer forensic team to recover the modelling results.

Halliburton has told media outlets that the accusations are untrue.

The allegations in the 310-page motion add to a showdown among BP and the contractors Halliburton and Transocean over blame in the Deepwater Horizon blast in April 2010, which killed 11 workers and led to 206m US gallons (780m litres) of crude oil escaping into the Gulf of Mexico. So far, BP, the majority owner of the Macondo well, has footed the bill for the emergency response and cleanup.

Also involved are Anadarko Petroleum and Cameron International.

The first trial over the disaster is scheduled to start 27 February in New Orleans. It is expected to last three months and determine the liability of each company involved in drilling the Macondo well. There will be other phases over cleanup costs, punitive damages and other claims...................