Lime Rock, a private equity firm focusing on the global energy sector, has closed Lime Rock Partners V with $1.4 billion in capital commitments. Like the four predecessor Lime Rock funds, the new offering will make investments in companies in the global energy industry.

Lime Rock said it did not actively market the fund, which began fundraising in February, with 91% of capital commitments coming from its existing clients.

Jonathan Farber, managing director, said almost all of the investors in Lime Rock Partners IV also made capital commitments to the new fund.

To date, the Lime Rock funds have invested $1 billion in 47 energy companies worldwide, primarily in the exploration & production, energy service, and oil service technology sectors. Lime Rock also manages Lime Rock Resources, a $450 million fund, which directly acquires and operates oil and gas properties in the United States.