Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Summarise the text below in two sentences or less.

### Input:
The modern oil industry began in Romania in 1857 when a refining process known as shale oil was developed by a Wallachian engineer named Petrache Poenaru. Prior to the 18th century, wooden drills were the main method for producing oil.

### Response:
Petrache Poenaru developed the refining process of shale oil in 1857 which marked the beginning of the modern oil industry. Previously, wooden drills were used to produce oil.